Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of future aircraft purchase commitments

Our future aircraft purchase commitments totaled approximately $18.3 billion at December 31, 2017:

(in millions)	Total
2018	$	3,570
2019	3,370
2020	3,270
2021	3,880
2022	2,450
Thereafter	1,740
Total	$	18,280

Our future aircraft purchase commitments included the following aircraft at December 31, 2017:

Aircraft Type	Purchase Commitments
A321-200	93
A321-200neo	100
A330-900neo	25
A350-900	19
B-737-900ER	41
CS100	75
Total	353

Schedule of capacity purchase arrangements

Accordingly, our actual payments under these agreements could differ materially from the minimum fixed obligations set forth in the table below.

(in millions)	Amount(1)
2018	$	1,772
2019	1,603
2020	1,320
2021	793
2022	723
Thereafter	1,975
Total	$	8,186

⁽¹⁾ 

These amounts exclude contract carrier payments accounted for as operating leases of aircraft, which are described in Note 7.

Schedule of employees under collective bargaining agreements

The following table shows our domestic airline employee groups that are represented by unions.

Employee Group	Approximate Number of Active Employees Represented	Union	Date on which Collective Bargaining Agreement Becomes Amendable
Delta Pilots	13,234	ALPA	December 31, 2019
Delta Flight Superintendents (Dispatchers)	420	PAFCA	March 31, 2018
Endeavor Air Pilots	1,805	ALPA	January 1, 2024
Endeavor Air Flight Attendants	1,160	AFA	December 31, 2018
Endeavor Air Dispatchers	55	PAFCA	December 31, 2018