Inactive period before expiration of mileage credits (in months) Inactive Period Before Expiration Of Mileage Credits Inactive Period Before Expiration Of Mileage Credits Accumulated amortization of intangibles Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement [Domain] Statistical Measurement [Domain] Cargo Cargo and Freight [Member] Airline Expenses [Abstract] Airline Expenses [Abstract] TMAT Tulsa Municipal Airport Trust ("TMAT") [Member] Tulsa Municipal Airport Trust ("TMAT") Expected return on assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Restricted cash included in restricted cash and short-term investments Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Asset Class [Axis] Asset Class [Axis] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), Tax Republic Airways Holdings Inc. Republic Airline Inc [Member] Republic Airline Inc [Member] Basic EPS: Earnings Per Share, Basic [Abstract] Loyalty revenue - marketing services Loyalty Program, Marketing Services [Member] Loyalty Program, Marketing Services [Member] Purchases of short-term investments Payments to Acquire Short-Term Investments Schedule of Net Receivables (Payables) to Related Parties Schedule of Related Party Transactions [Table Text Block] SOFR Secured Overnight Financing Rate (SOFR) [Member] Settlement of PSP1 and Treasury Loan Warrants (see Note 3) Adjustments To Additional Paid In Capital, Warrant Settlement Adjustments To Additional Paid In Capital, Warrant Settlement Issuance of shares of AAG common stock pursuant to employee stock plans net of shares withheld for cash taxes Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Basic (in dollars per share) Basic EPS (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Transactions with Related Parties Related Party Transactions Disclosure [Text Block] Schedule of Revolving Credit and Other Facilities Schedule of Line of Credit Facilities [Table Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Revenue Recognition Revenue from Contract with Customer [Text Block] Regional expenses Airline, Capacity Purchase Arrangements Other assets Other Assets, Miscellaneous, Noncurrent Operating special items, net Restructuring And Other, Net Restructuring And Other, Net Adjustment to Compensation, Amount Adjustment to Compensation Amount Pension Benefits Pension Plan [Member] Less: Total unamortized debt discount, premium and issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Income taxes paid Income Taxes Paid Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders' equity (deficit) Beginning balance Ending balance Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Schedule of Estimated Useful Lives of Principal Property and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized AAdvantage Term Loan Facility, Third Amendment AAdvantage Term Loan Facility, Third Amendment [Member] AAdvantage Term Loan Facility, Third Amendment PSP2 Warrants Payroll Support Program Two Warrants, CARES Act [Member] Payroll Support Program Two Warrants, CARES Act Current assets Assets, Current [Abstract] Total liabilities and stockholders’ equity (deficit) Liabilities and Equity Recurring Fair Value, Recurring [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Pension, Retiree Medical and Other Postretirement Benefits Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Private Party Antitrust Actions Related to the Northeast Alliance Private Party Antitrust Actions Related to the Northeast Alliance [Member] Private Party Antitrust Actions Related to the Northeast Alliance Quarterly principal amortization payable Debt Instrument, Quarterly Principal Amortization Debt Instrument, Quarterly Principal Amortization LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT) Liabilities and Equity [Abstract] State State and Local Jurisdiction [Member] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Cover [Abstract] Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Operating property and equipment Property, Plant and Equipment, Net [Abstract] Loyalty program liability Loyalty Program [Member] Loyalty Program [Member] 10.75% Senior Secured Notes, LGA/DCA Notes 10.75% Senior Secured Notes, LGA/DCA Notes [Member] 10.75% Senior Secured Notes, LGA/DCA Notes Payroll Support Program Promissory Note Two, CARES Act Payroll Support Program Promissory Note Two, CARES Act [Member] Payroll Support Program Promissory Note Two, CARES Act Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Aircraft fuel and related taxes Fuel Costs Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Retirement Benefits [Abstract] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Airline Destination [Domain] Airline Destination [Domain] Schedule of Carrying Value and Estimated Fair Value of Long-Term Debt, Including Current Maturities Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Other liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Schedule of Equity Investment Ownership Interests and Carrying Values Investment [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Intercompany equity transfer Intercompany Equity Transfer Intercompany Equity Transfer Less: Current maturities Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Defined benefit plan, contributed amount Defined Benefit Plan, Plan Assets, Contributions by Employer Cash Cash Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Special Facility Revenue Bonds Maturing December 1, 2040 Special Facility Revenue Bonds Maturing December 1, 2040 [Member] Special Facility Revenue Bonds Maturing December 1, 2040 Name Measure Name PSP2 and PSP 3 Payroll Support Program Promissory Notes Two And Three, CARES Act [Member] Payroll Support Program Promissory Notes Two And Three, CARES Act Secured Debt Secured Debt [Member] Operating lease liabilities Operating Lease, Liability, Current Net current-period other comprehensive income (loss) Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Document Fiscal Period Focus Document Fiscal Period Focus Unsecured Debt Unsecured Debt [Member] Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type Award Type [Axis] Loyalty program liability Contract with Customer, Liability, Noncurrent AAG Parent Company [Member] Long-term debt, net of current maturities Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Investment, Name [Domain] Investment, Name [Domain] Special Facility Revenue Bonds Special Facility Revenue Bonds [Member] Special Facility Revenue Bonds [Member] Trading Symbol Trading Symbol Other rent and landing fees Landing Fees and Other Rentals Issuance of shares of AAG common stock pursuant to employee stock plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted stock unit awards Restricted Stock Units (RSUs) [Member] Severance expenses Severance Costs Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Other investments Other Investments Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Preferred Stock Purchase Rights Warrant [Member] Right-of-use (ROU) assets acquired through operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Carrying value, equity method investments Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Tax AOCI Tax, Attributable to Parent [Roll Forward] AOCI Tax, Attributable to Parent [Roll Forward] Total Related Party [Member] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Operating Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Document Information [Table] Document Information [Table] PEO PEO [Member] Proceeds from issuance of bonds Proceeds from Issuance of Secured Debt Schedule of Revenue Disaggregation of Revenue [Table Text Block] Interest income Investment Income, Interest Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Retained Deficit Retained Earnings [Member] Prepaid expenses and other Prepaid Expense and Other Assets, Current Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] Other Revolving Facility Other Revolving Facility [Member] Other Revolving Facility Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and restricted cash at beginning of period Cash and restricted cash at end of period Total cash and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax provision Income Tax Expense (Benefit) Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate 10.75% Senior Secured Notes, IP Notes And 10.75% Senior Secured Notes, LGA/DCA Notes 10.75% Senior Secured Notes, IP Notes And 10.75% Senior Secured Notes, LGA/DCA Notes [Member] 10.75% Senior Secured Notes, IP Notes And 10.75% Senior Secured Notes, LGA/DCA Notes Document Information [Line Items] Document Information [Line Items] Intangibles, net of accumulated amortization of $845 and $841, respectively Intangibles, net of accumulated amortization of $845 and $841, respectively Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Interest expense on 6.50% convertible senior notes Interest on Convertible Debt, Net of Tax Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Amortization of: Defined Benefit Plan, Amortization [Abstract] Defined Benefit Plan, Amortization [Abstract] Equipment Loans and Other Notes Payable Equipment Loans and Other Notes Payable [Member] Equipment Loans and Other Notes Payable [Member] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Special Items, Net Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Equipment Loans and Other Notes Payable Issued in Current Year Equipment Loans and Other Notes Payable Issued in Current Year [Member] Equipment Loans and Other Notes Payable Issued in Current Year Less accumulated depreciation and amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Investments Investment [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Litigation reserve adjustments Gain (Loss) from Litigation Settlement 10.75% Senior Secured Notes, IP Notes 10.75% Senior Secured Notes, IP Notes [Member] 10.75% Senior Secured Notes, IP Notes Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Movement In Contract With Customer, Liability [Roll Forward] Dilutive effect of certain PSP Warrants and Treasury Loan Warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Amount drawn Proceeds from Long-Term Lines of Credit Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Schedule of Contract Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Loyalty revenue - travel Loyalty Program, Travel Redemptions [Member] Loyalty Program, Travel Redemptions [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation 2013, 2014 and 2023 Credit Facilities 2013, 2014 and 2023 Credit Facilities [Member] 2013, 2014 and 2023 Credit Facilities Related Party Transactions [Abstract] Related Party Transactions [Abstract] Estimated Useful Life Property, Plant and Equipment, Useful Life Finance leases converted to operating leases Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Other Significant Noncash Transaction, Finance Lease Conversion To Operating Lease Unrecognized net loss (gain) Defined Benefit Plan, Amortization of Gain (Loss) Subsequent Event Subsequent Event [Member] Carrying value, fair value method investments Equity Securities, FV-NI Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Sales of short-term investments Proceeds from Sale of Short-Term Investments PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Money market funds Money Market Funds [Member] PSP1 Warrants Payroll Support Program One Warrants, CARES Act [Member] Payroll Support Program One Warrants, CARES Act Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Convertible Note Convertible Debt [Member] Flight equipment Flight Equipment, Gross Conversion of common stock (in dollars per share) Debt Instrument, Convertible, Stock Price Trigger Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Supplemental information: Supplemental Cash Flow Information [Abstract] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Entity Address, State or Province Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] American Airlines, Inc. American Airlines, Inc. [Member] American Airlines, Inc. Related Party [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Domestic Domestic Destination [Member] Maintenance, materials and repairs Aircraft Maintenance, Materials, and Repairs Individual: Individual [Axis] Total property and equipment, at cost Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] Property and equipment acquired through finance leases and other Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Entities [Table] Entities [Table] Additional paid-in capital Additional Paid in Capital, Common Stock Entity [Domain] Entity [Domain] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] PSP1 Warrants and Treasury Loan Warrants Payroll Support Program One Warrants And Treasury Loan Warrant Agreement, CARES Act [Member] Payroll Support Program One Warrants And Treasury Loan Warrant Agreement, CARES Act Other operating special items, net Other Operating Special Charges, Net Other Operating Special Charges, Net Interest paid, net Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Restricted short-term investments Restricted Short-Term Investments, Noncurrent Restricted Short-Term Investments, Noncurrent Entity Interactive Data Current Entity Interactive Data Current Government Assistance, Type [Axis] Government Assistance, Type [Axis] Carrying Value Reported Value Measurement [Member] Legal Proceedings Legal Matters and Contingencies [Text Block] Equity [Abstract] Equity [Abstract] Restricted cash and short-term investments Restricted Cash and Investments, Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Current maturities of long-term debt and finance leases Long-Term Debt and Lease Obligation, Current Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Class of Warrant or Right [Table] Class of Warrant or Right [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Payroll Support Program Promissory Note Three, CARES Act Payroll Support Program Promissory Note Three, CARES Act [Member] Payroll Support Program Promissory Note Three, CARES Act Ownership [Domain] Ownership [Domain] Schedule of Net Periodic Benefit Cost (Income) Schedule of Net Benefit Costs [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Before tax AOCI Before Tax, Attributable To Parent [Roll Forward] AOCI Before Tax, Attributable To Parent [Roll Forward] Beginning balance, before tax Ending balance, before tax AOCI before Tax, Attributable to Parent 5.75% Senior Notes Senior Note 5.75% Matures 2029 [Member] Senior Note 5.75% Matures 2029 Deferred tax asset Deferred Income Tax Assets, Net Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Capital expenditures and aircraft purchase deposits Payments to Acquire Productive Assets Cost of improvements Payments for Capital Improvements Total other assets Total other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key Operating loss carryforwards and other carryforwards, not subject to expiration Operating Loss Carryforwards And Other Carryforwards, Not Subject to Expiration Operating Loss Carryforwards And Other Carryforwards, Not Subject to Expiration PEO Name PEO Name Net settlement of cash of warrant exercise Payments For Net Settlement Of Warrant Exercise Payments For Net Settlement Of Warrant Exercise Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pricing of bond, percentage of par value Debt Instrument, Pricing Per Par Value, Percentage Debt Instrument, Pricing Per Par Value, Percentage Assumed conversion of 6.50% convertible senior notes (in shares) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Arrangement Duration Trading Arrangement Duration Deferred revenue, current Contract with Customer, Liability, Current Exercise price of warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Deferral of revenue Contract with Customer, Liability, Increase from Deferral Of Revenue Contract with Customer, Liability, Increase from Deferral Of Revenue Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class Of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other investing activities Payment for (Proceeds from) Other Investing Activity Subsequent Event Type [Axis] Subsequent Event Type [Axis] ASSETS Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Revenue recognition term (in months) Revenue, Performance Obligation, Payment Term Revenue, Performance Obligation, Payment Term Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Employee Benefit Plans Retirement Benefits [Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Bank notes/certificates of deposit/time deposits Bank Time Deposits [Member] Credit Facility [Domain] Credit Facility [Domain] Stockholder’s equity Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Aircraft fuel, spare parts and supplies, net Airline Related Inventory, Net Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Airline Destination [Table] Airline Destination [Table] Interest rate Debt Instrument, Interest Rate, Stated Percentage Operating lease liabilities Operating Lease, Liability, Noncurrent Ownership [Axis] Ownership [Axis] Prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) AAG's wholly-owned subsidiaries Subsidiary of Common Parent [Member] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net periodic benefit cost (income) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] NOL carryforwards Operating Loss Carryforwards Cargo Receivable Facility Cargo Receivable Facility [Member] Cargo Receivable Facility Salaries, wages and benefits Labor and Related Expense Dilutive effect of restricted stock unit awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Total operating expenses Costs and Expenses Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Total Assets, Fair Value Disclosure Long-term debt, fair value Long-term debt, including current maturities Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Pacific Pacific Destination [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Repayments of Convertible Debt Repayments of Convertible Debt Schedule of Long-Term Debt Schedule of Debt [Table Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Interest cost Defined Benefit Plan, Interest Cost Total Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Nonoperating special items, net Non-Operating Special Items, Net Nonoperating net expenses (credits) recognized in the period that are infrequent in occurrence or unusual in nature. Restatement Determination Date: Restatement Determination Date [Axis] Operating loss carryforwards and other carryforwards, subject to expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration Operating Loss Carryforwards And Other Carryforwards, Subject To Expiration Latin America Latin America Destination [Member] Operating leases converted to finance leases Other Significant Noncash Transaction, Operating Lease Conversion To Finance Lease Other Significant Noncash Transaction, Operating Lease Conversion To Finance Lease Non-PEO NEO Non-PEO NEO [Member] Schedule of Special Items, Net in Condensed Consolidated Statements of Operations Restructuring and Related Costs [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Special items, net Restructuring And Other Expense (Income), Mainline Restructuring And Other Expense (Income), Mainline Other financing activities Proceeds from (Payment for) Other Financing Activity Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Prior service cost Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Aggregate principal amount Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Recognition of revenue Recognition of revenue Contract with Customer, Liability, Revenue Recognized Retirement Plan Type [Domain] Retirement Plan Type [Domain] Schedule of Investments [Line Items] Schedule of Investments [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Airline Destinations [Axis] Airline Destination [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Ownership interest, fair value method investments Equity Ownership, Excluding Consolidated Entity and Equity Method Investee, Percentage Labor contract expenses Other Labor-related Expenses Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] 2015 TMAT Bonds 2015 Tulsa Municipal Airport Trust ("TMAT") Special Facility Revenue Bonds ("2015 TMAT Bonds") [Member] 2015 Tulsa Municipal Airport Trust ("TMAT") Special Facility Revenue Bonds ("2015 TMAT Bonds") Operating revenues: Revenues [Abstract] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term debt and finance leases, net of current maturities Long-Term Debt and Lease Obligation Regional Expenses [Line Items] Regional Expenses [Line Items] Regional Expenses [Line Items] Selling expenses Selling and Marketing Expense Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Repurchase agreements Repurchase Agreements [Member] Financial Instruments [Domain] Financial Instruments [Domain] Litigation Case [Axis] Litigation Case [Axis] Special Facility Revenue Bonds Maturing December 1, 2035 Special Facility Revenue Bonds Maturing December 1, 2035 [Member] Special Facility Revenue Bonds Maturing December 1, 2035 Total Line of Credit Facility, Remaining Borrowing Capacity Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Regional operating special items, net Regional Carrier [Member] Warrants Issued (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Minimum Minimum [Member] Company Selected Measure Name Company Selected Measure Name Mainline operating special items, net Mainline [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] 6.50% Senior Notes Senior Notes 6.50% Due 2025 [Member] Senior Notes 6.50% Due 2025 Senior Notes Senior Notes [Member] Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable AAG’s wholly-owned subsidiaries Accounts Payable, Current AAdvantage Term Loan Facility, Second Amendment AAdvantage Term Loan Facility, Second Amendment [Member] AAdvantage Term Loan Facility, Second Amendment Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net income for purposes of computing diluted EPS Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Common stock, $0.01 par value; 1,750,000,000 shares authorized, 659,797,256 shares issued and outstanding at June 30, 2025; 657,566,166 shares issued and outstanding at December 31, 2024 Common stock, $1.00 par value; 1,000 shares authorized, issued and outstanding Common Stock, Value, Issued Enhanced Equipment Trust Certificates (EETC) Enhanced Equipment Trust Certificate [Member] Other assets Other Assets, Noncurrent [Abstract] Diluted (in shares) Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Other Other Cost and Expense, Operating Document Transition Report Document Transition Report Extended estimated useful life (in years) Property, Plant And Equipment, Extended Useful Life Property, Plant And Equipment, Extended Useful Life Ownership interest, equity method investments Ownership percentage Equity Method Investment, Ownership Percentage Underlying Securities Award Underlying Securities Amount Proceeds from sale-leaseback transactions and sale of property and equipment Proceeds From Sale Of Property Plant And Equipment and Sale Leaseback Transactions Proceeds From Sale Of Property Plant And Equipment and Sale Leaseback Transactions Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation 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Fair Value Disclosures [Abstract] Equipment purchase deposits Deposits on Flight Equipment Name Forgone Recovery, Individual Name Total current assets Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] 2025 TMAT Bonds 2025 Tulsa Municipal Airport Trust ("TMAT") Bonds [Member] 2025 Tulsa Municipal Airport Trust ("TMAT") Bonds Amounts reclassified from AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] Average interest rate Debt, Weighted Average Interest Rate Receivables from related parties, net Total Other Receivables, Net, Current Atlantic Atlantic Destination [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Earnings Per Share, Diluted, by Common 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Republic Airways Holdings, Inc. [Member] Republic Airways Holdings, Inc. [Member] Variable interest rate Long-Term Debt, Percentage Bearing Variable Interest, Percentage Rate Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Nonoperating income (expense): Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Decrease (increase) in restricted short-term investments Increase (Decrease) of Restricted Investments Operating expenses: Costs and Expenses [Abstract] Amounts reclassified from AOCI Reclassification from AOCI, Current Period, Tax Amounts reclassified from AOCI Reclassification from AOCI, Current Period, before Tax, Attributable to Parent 8.50% Senior Notes 8.50% Senior Secured Notes Due 2029 [Member] 8.50% Senior Secured Notes Due 2029 Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued 6.50% convertible senior notes Convertible Debt Securities [Member] Interest expense, net Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Aircraft rent Aircraft Rental Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name 2014 Revolving Facility Credit Facility 2014 [Member] Credit Facility 2014 [Member] Residual value percentage of equipment and properties Property, Plant and Equipment, Salvage Value, Percentage Equity Securities Equity Securities [Member] Debt refinancing, extinguishment and other, net Debt Refinancing, Debt Extinguishment And Other Expense, Net Debt Refinancing, Debt Extinguishment And Other Expense, Net Payroll Support Program Promissory Note One, CARES Act Payroll Support Program Promissory Note One, CARES Act [Member] Payroll Support Program Promissory Note One, CARES Act Total noncurrent liabilities Liabilities, Noncurrent Other Product and Service, Other [Member] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Proceeds from secured notes payable Proceeds from Secured Notes Payable Line of credit facility, aggregate commitments Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Debt instrument, basis spread on variable rate, interest rate margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Debt Instrument, Basis Spread On Variable Rate, Interest Rate Margin Asset Class [Domain] Asset Class [Domain] Pension and postretirement benefits Liability, Defined Benefit Plan, Noncurrent Statement [Line Items] Statement [Line Items] Variable Rate [Axis] Variable Rate [Axis] 2021 AAdvantage Term Loan Facility 2021 AAdvantage Term Loan Facility [Member] 2021 AAdvantage Term Loan Facility Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] 2013 Revolving Facility Credit Facility 2013 [Member] Credit Facility 2013 Counterparty Name [Axis] Counterparty Name [Axis] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Convertible debt, threshold trading days (in days) Debt Instrument, Convertible, Threshold Trading Days Common Stock, $0.01 par value per share Common Stock Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Corporate obligations Corporate Debt Securities [Member] Net increase in cash and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Other revenue Other Revenue [Member] Other Revenue [Member]