COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Schedule of aircraft purchase commitments

Our future aircraft purchase commitments totaled approximately $17.5 billion at December 31, 2023:

Aircraft purchase commitments(1)
(in millions)	Total
2024	$	3,530
2025	4,230
2026	3,490
2027	3,870
2028	1,650
Thereafter	760
Total	$	17,530

(1)The timing of these commitments is based on our contractual agreements with the aircraft manufacturers and remains uncertain due to supply chain, manufacturing and regulatory constraints.

Our future aircraft purchase commitments included the following aircraft at December 31, 2023:

Aircraft purchase commitments by fleet type
Fleet Type	Purchase Commitments
A220-300	77
A321-200neo	107
A330-900neo	12
A350-900	16
B-737-10	100
Total	312

Schedule of contract carrier minimum obligations

The obligations set forth in the table contemplate minimum levels of flying by the regional carriers under the respective agreements and also reflect assumptions regarding certain costs associated with the minimum levels of flying such as the cost of fuel, labor, maintenance, insurance, catering, property tax and landing fees. Accordingly, our actual payments under these agreements could differ materially from the minimum fixed obligations set forth in the table below.

Contract carrier minimum obligations
(in millions)	Amount
2024	$	1,600
2025	1,540
2026	1,560
2027	1,520
2028	1,260
Thereafter	1,360
Total	$	8,840

Schedule of domestic airline employees represented by collective bargaining agreements by group

Domestic airline employees represented by collective bargaining agreements by group
Employee Group	Approximate Number of Employees Represented	Union	Date on which Collective Bargaining Agreement Becomes Amendable
Delta Pilots	16,960	ALPA	December 31, 2026
Delta Flight Superintendents (Dispatchers)	490	PAFCA	November 1, 2024
Endeavor Pilots	1,530	ALPA	January 1, 2029
Endeavor Flight Attendants	1,600	AFA	March 31, 2027