Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Aircraft purchase and lease commitments

Our future aircraft purchase commitments totaled approximately $12.5 billion at December 31, 2016:

(in millions)	Total
2017	$	2,580
2018	2,980
2019	3,380
2020	1,730
2021	1,130
Thereafter	660
Total	$	12,460

Our future aircraft purchase commitments included the following aircraft at December 31, 2016:

Aircraft Type	Purchase Commitments
B-737-900ER	51
A321-200	67
A330-300	2
A330-900neo	25
A350-900	25
CS100	75
Total	245

Airline 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)
2017	$	2,039
2018	1,827
2019	1,562
2020	1,220
2021	737
Thereafter	1,196
Total	$	8,581

⁽¹⁾ 

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

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	12,863	ALPA	December 31, 2019
Delta Flight Superintendents (Dispatchers)	415	PAFCA	March 31, 2018
Endeavor Air Pilots	1,527	ALPA	January 1, 2020
Endeavor Air Flight Attendants	1,132	AFA	December 31, 2018
Endeavor Air Dispatchers	47	PAFCA	December 31, 2018