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Revenue (Tables)

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Passenger Revenue

The following table provides the components of Passenger revenue recognized for the three months ended March 31, 2025 and 2024:

			Three months ended March 31,
(in millions)			2025						2024
Passenger non-loyalty			$	4,766					$	4,680
Passenger loyalty - air transportation			800						799
Passenger ancillary sold separately			245						233
Total passenger revenues			$	5,811					$	5,712

Schedule of Rollforward of Air Traffic Liability

As of March 31, 2025, and December 31, 2024, the components of Air traffic liability, including contract liabilities based on tickets sold and unused flight credits available to the Customer, both of which are net of recorded breakage, and loyalty points available for redemption, within the unaudited Condensed Consolidated Balance Sheet were as follows:

			Balance as of
(in millions)			March 31, 2025						December 31, 2024
Air traffic liability - passenger travel and ancillary passenger services			$	4,061					$	3,393
Air traffic liability - loyalty program			4,841						4,849
Total Air traffic liability			$	8,902					$	8,242

Rollforwards of the Company's Air traffic liability - loyalty program for the three months ended March 31, 2025 and 2024 were as follows:

			Three months ended March 31,
(in millions)			2025						2024
Air traffic liability - loyalty program - beginning balance			$	4,849					$	4,916
Amounts deferred associated with points awarded			817						893
Revenue recognized from points redeemed - Passenger			(800)						(799)
Revenue recognized from points redeemed - Other			(25)						(23)
Air traffic liability - loyalty program - ending balance			$	4,841					$	4,987

Rollforwards of the amounts included in Air traffic liability as of March 31, 2025 and 2024 were as follows:

			Three months ended March 31,
(in millions)			2025						2024
Air traffic liability - beginning balance			$	8,242					$	8,279
Current period sales (a)			6,471						6,850
Revenue from amounts included in contract liability opening balances			(2,608)						(2,557)
Revenue from current period sales			(3,203)						(3,178)
Air traffic liability - ending balance			$	8,902					$	9,394

(a)Current period sales include passenger travel, ancillary services, flight loyalty, and partner loyalty

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

No definition available.

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