0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 0000008 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 0000009 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - BASIS OF PRESENTATION link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - REVENUE link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - EARNINGS PER SHARE link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - AIRCRAFT link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - ASSET ACQUISITIONS link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - DEBT link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - STOCK-BASED COMPENSATION link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - INVESTMENTS link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - FAIR VALUE MEASUREMENTS link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - INCOME TAXES link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - COMMITMENTS AND CONTINGENCIES link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - OPERATING SEGMENTS link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - SUBSEQUENT EVENTS link:presentationLink link:calculationLink link:definitionLink 9954701 - Disclosure - BASIS OF PRESENTATION (Policies) link:presentationLink link:calculationLink link:definitionLink 9954702 - Disclosure - REVENUE (Tables) link:presentationLink link:calculationLink link:definitionLink 9954703 - Disclosure - EARNINGS PER SHARE (Tables) link:presentationLink link:calculationLink link:definitionLink 9954704 - Disclosure - AIRCRAFT (Tables) link:presentationLink link:calculationLink link:definitionLink 9954705 - Disclosure - ASSET ACQUISITIONS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954706 - Disclosure - DEBT (Tables) link:presentationLink link:calculationLink link:definitionLink 9954707 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9954708 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954709 - Disclosure - OPERATING SEGMENTS (Tables) link:presentationLink link:calculationLink link:definitionLink 9954710 - Disclosure - REVENUE - Significant Categories of Operating Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 9954711 - Disclosure - REVENUE - Operating Revenues by Geographic Region (Details) link:presentationLink link:calculationLink link:definitionLink 9954712 - Disclosure - REVENUE - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 9954713 - Disclosure - REVENUE - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954714 - Disclosure - REVENUE - Loyalty Program (Details) link:presentationLink link:calculationLink link:definitionLink 9954715 - Disclosure - EARNINGS PER SHARE (Details) link:presentationLink link:calculationLink link:definitionLink 9954716 - Disclosure - AIRCRAFT - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954717 - Disclosure - AIRCRAFT - Aircraft Fleet (Details) link:presentationLink link:calculationLink link:definitionLink 9954718 - Disclosure - AIRCRAFT - Depreciation, Amortization, and Rent Expense on Aircraft (Details) link:presentationLink link:calculationLink link:definitionLink 9954719 - Disclosure - ASSET ACQUISITIONS - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954720 - Disclosure - ASSET ACQUISITIONS - Asset Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 9954721 - Disclosure - DEBT - Credit Facilities (Details) link:presentationLink link:calculationLink link:definitionLink 9954722 - Disclosure - DEBT - Long-term Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954723 - Disclosure - DEBT - Long-term Debt Schedule (Details) link:presentationLink link:calculationLink link:definitionLink 9954724 - Disclosure - DEBT - Future Maturities of the Outstanding Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954724 - Disclosure - DEBT - Future Maturities of the Outstanding Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954725 - Disclosure - DEBT - Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9954726 - Disclosure - STOCK-BASED COMPENSATION (Details) link:presentationLink link:calculationLink link:definitionLink 9954727 - Disclosure - Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9954728 - Disclosure - FAIR VALUE MEASUREMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9954729 - Disclosure - INCOME TAXES (Details) link:presentationLink link:calculationLink link:definitionLink 9954730 - Disclosure - STOCKHOLDERS' EQUITY (Details) link:presentationLink link:calculationLink link:definitionLink 9954731 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) link:presentationLink link:calculationLink link:definitionLink 9954732 - Disclosure - OPERATING SEGMENTS (Details) link:presentationLink link:calculationLink link:definitionLink 9954733 - Disclosure - SUBSEQUENT EVENTS (Details) link:presentationLink link:calculationLink link:definitionLink