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COMMITMENTS AND CONTINGENCIES - Aircraft-Related Commitments (Details) | Mar. 31, 2025 aircraft
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Firm Orders |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 84
Options and Other Rights |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 100
B737 | Firm Orders |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 70
B737 | Options and Other Rights |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 100
B787-9 | Firm Orders |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 9
B787-9 | Options and Other Rights |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 0
E175 | Firm Orders |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 5
E175 | Options and Other Rights |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Total | 0

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