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COMMITMENTS AND CONTINGENCIES - Aircraft Commitments by Fleet Type (Details) (Details) - Future aircraft purchase commitments | Jun. 30, 2023 aircraft
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Future Purchase Commitments |
Aircraft purchase commitments, minimum quantity required | 323
A220-300 |
Future Purchase Commitments |
Aircraft purchase commitments, minimum quantity required | 70
A321-200neo |
Future Purchase Commitments |
Aircraft purchase commitments, minimum quantity required | 120
A330-900neo |
Future Purchase Commitments |
Aircraft purchase commitments, minimum quantity required | 17
A350-900 |
Future Purchase Commitments |
Aircraft purchase commitments, minimum quantity required | 16
B-737-10 |
Future Purchase Commitments |
Aircraft purchase commitments, minimum quantity required | 100

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