Commitments and Contingencies - Schedule of Firm Commitments (Details)	Mar. 31, 2024 aircraft_commitment aircraft
787
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments \| aircraft_commitment	150
Contractual Aircraft Deliveries
Last Nine Months of 2024	8
2025	18
After 2025	124
Expected Aircraft Deliveries
Last Nine Months of 2024	5
2025	12
After 2025	133
737 MAX 8
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments \| aircraft_commitment	36
Contractual Aircraft Deliveries
Last Nine Months of 2024	36
2025	0
After 2025	0
Expected Aircraft Deliveries
Last Nine Months of 2024	19
2025	17
After 2025	0
737 MAX 9
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments \| aircraft_commitment	144
Contractual Aircraft Deliveries
Last Nine Months of 2024	34
2025	40
After 2025	70
Expected Aircraft Deliveries
Last Nine Months of 2024	10
2025	44
After 2025	90
737 MAX 10
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments \| aircraft_commitment	167
Contractual Aircraft Deliveries
Last Nine Months of 2024	0
2025	0
After 2025	167
Expected Aircraft Deliveries
Last Nine Months of 2024	0
2025	0
After 2025	167
A321neo
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments \| aircraft_commitment	123
Contractual Aircraft Deliveries
Last Nine Months of 2024	23
2025	38
After 2025	62
Expected Aircraft Deliveries
Last Nine Months of 2024	22
2025	24
After 2025	77
A321XLR
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments \| aircraft_commitment	50
Contractual Aircraft Deliveries
Last Nine Months of 2024	0
2025	8
After 2025	42
Expected Aircraft Deliveries
Last Nine Months of 2024	0
2025	1
After 2025	49
A350
Long-term Purchase Commitment [Line Items]
Number of Firm Commitments \| aircraft_commitment	45
Contractual Aircraft Deliveries
Last Nine Months of 2024	0
2025	0
After 2025	45
Expected Aircraft Deliveries
Last Nine Months of 2024	0
2025	0
After 2025	45

Number Of Aircraft Contracted Delivery

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Number Of Aircraft To Be Delivered Under the Contract, Thereafter

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Number Of Aircrafts Expected To Take Delivery, Thereafter

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

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