Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Long-term Purchase Commitment

As of December 31, 2023, the Company’s firm aircraft and engine purchase orders consisted of the following:

	A320neo	A321neo	Total Aircraft(a)	Engines
Year Ending
2024	—	23	23	2
2025	17	25	42	4
2026	19	22	41	4
2027	21	21	42	3
2028	10	30	40	2
Thereafter	—	22	22	—
Total	67	143	210	15

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(a)    While the schedule presented reflects the contractual delivery dates as of December 31, 2023, the Company has recently experienced delays in the deliveries of Airbus aircraft which may persist in future periods.

Multiemployer Plan

The table below sets forth the Company’s employee groups and status of the collective bargaining agreements as of December 31, 2023:

			Percentage of Workforce
Employee Group	Representative	Amendable Date (a)	December 31, 2023
Pilots	Air Line Pilots Association (ALPA)	January 2024(b)	29%
Flight Attendants	Association of Flight Attendants (AFA-CWA)	May 2024(c)	49%
Aircraft Technicians	International Brotherhood of Teamsters (IBT)	May 2025	6%
Aircraft Appearance Agents	IBT	October 2023(d)	1%
Dispatchers	Transport Workers Union (TWU)	August 2028(e)	1%
Material Specialists	IBT	March 2022(d)	<1%
Maintenance Controllers	IBT	October 2023(d)	<1%

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(a)Subject to standard early opener provisions.

(b)ALPA filed for meditation through the National Mediation Board in January 2024 and the first mediation session is scheduled for March 2024.

(c)In November 2023, AFA-CWA exercised their contractual right to open negotiations early. Negotiations are currently ongoing.

(d)The Company’s collective bargaining agreements with its aircraft appearance agents, material specialists, and maintenance controllers, each represented by IBT, were still amendable as of December 31, 2023, and negotiations are ongoing; however, the agreements are operating under their current arrangements until amendments have been reached.

(e)On August 4, 2023, the Company finalized a collective bargaining agreement with its dispatchers, represented by TWU, which will be amendable in August 2028.

Contractual Obligation, Fiscal Year Maturity

As of December 31, 2023, purchase commitments for these aircraft and engines, including estimated amounts for contractual price escalations and PDPs, consisted of the following (in millions):

	Total
Year Ending
2024	$	1,391
2025	2,500
2026	2,358
2027	2,448
2028	2,403
Thereafter	1,356
Total	$	12,456