101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - Condensed Consolidated Statements of Operations link:calculationLink link:presentationLink link:definitionLink 104 - Statement - Condensed Consolidated Statements of Comprehensive Income link:calculationLink link:presentationLink link:definitionLink 105 - Statement - Condensed Consolidated Balance Sheets link:calculationLink link:presentationLink link:definitionLink 106 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 107 - Statement - Condensed Consolidated Statements of Cash Flows link:calculationLink link:presentationLink link:definitionLink 108 - Disclosure - Basis of Presentation link:calculationLink link:presentationLink link:definitionLink 109 - Disclosure - Special Items link:calculationLink link:presentationLink link:definitionLink 110 - Disclosure - Earnings Per Common Share link:calculationLink link:presentationLink link:definitionLink 111 - Disclosure - Share Repurchase Programs and Dividends link:calculationLink link:presentationLink link:definitionLink 112 - Disclosure - Debt link:calculationLink link:presentationLink link:definitionLink 113 - Disclosure - Income Taxes link:calculationLink link:presentationLink link:definitionLink 114 - Disclosure - Fair Value Measurements link:calculationLink link:presentationLink link:definitionLink 115 - Disclosure - Retirement Benefits link:calculationLink link:presentationLink link:definitionLink 116 - Disclosure - Accumulated Other Comprehensive Income (Loss) link:calculationLink link:presentationLink link:definitionLink 117 - Disclosure - Regional Expenses link:calculationLink link:presentationLink link:definitionLink 118 - Disclosure - Legal Proceedings link:calculationLink link:presentationLink link:definitionLink 119 - Disclosure - Subsequent Events link:calculationLink link:presentationLink link:definitionLink 120 - Disclosure - Transactions with Related Parties link:calculationLink link:presentationLink link:definitionLink 121 - 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Disclosure - Debt - Components of Long-Term Debt (Detail) link:calculationLink link:presentationLink link:definitionLink 138 - Disclosure - Debt - Summary of Availability under Revolving Credit Facilities (Detail) link:calculationLink link:presentationLink link:definitionLink 139 - Disclosure - Debt - Components of Long-Term Debt - 2016-1 Aircraft Enhanced Equipment Trust Certificates (Detail) link:calculationLink link:presentationLink link:definitionLink 140 - Disclosure - Debt - Components of Long-Term Debt - 2016-2 Aircraft Enhanced Equipment Trust Certificates (Detail) link:calculationLink link:presentationLink link:definitionLink 141 - Disclosure - Debt - Components of Long-Term Debt - Other Aircraft Financing Transactions (Detail) link:calculationLink link:presentationLink link:definitionLink 142 - Disclosure - Debt - Components of Long-Term Debt - 2016 Credit Facilities (Detail) link:calculationLink link:presentationLink link:definitionLink 143 - Disclosure - Debt - Components of Long-Term Debt - 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