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v3.25.1

Commitments and Contingencies - Flight Equipment Commitments (Details) $ in Millions | Mar. 31, 2025 USD ($) aircraft
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Unrecorded Unconditional Purchase Obligation [Line Items] |
Remainder of 2025 | $ | $ 734
2026 | $ | 721
2027 | $ | 393
2028 | $ | 410
2029 | $ | 321
Thereafter | $ | 3,727
Total | $ | $ 6,306
Remainder of 2025 | 18
2026 | 17
2027 | 8
2028 | 9
2029 | 7
Thereafter | 44
Total | 103
Airbus A220 |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Remainder of 2025 | 15
2026 | 16
2027 | 8
2028 | 9
2029 | 7
Thereafter | 0
Total | 55
Number of available aircraft | 20
Airbus A321neo |
Unrecorded Unconditional Purchase Obligation [Line Items] |
Remainder of 2025 | 3
2026 | 1
2027 | 0
2028 | 0
2029 | 0
Thereafter | 44
Total | 48

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