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Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Changes in Projected Benefit Obligations, Fair Value of Plan Assets and Funded Status
The following tables provide a reconciliation of the changes in the pension and retiree medical and other postretirement benefits obligations, fair value of plan assets and funded status as of December 31, 2024 and 2023:
 Pension BenefitsRetiree Medical and 
Other Postretirement Benefits
 2024202320242023
 (In millions)
Benefit obligation at beginning of period$14,410 $14,037 $1,325 $906 
Service cost2 2 29 17 
Interest cost723 758 64 55 
Actuarial loss (gain) (1), (2)
(741)507 (58)92 
Plan amendments (3)
— — 55 339 
Benefit payments(913)(894)(107)(84)
Other(132)— — — 
Benefit obligation at end of period$13,349 $14,410 $1,308 $1,325 
Fair value of plan assets at beginning of period$12,431 $11,884 $133 $133 
Actual return on plan assets568 1,368 9 14 
Employer contributions (4)
300 73 93 70 
Benefit payments(913)(894)(107)(84)
Other(132)— — — 
Fair value of plan assets at end of period$12,254 $12,431 $128 $133 
Funded status at end of period$(1,095)$(1,979)$(1,180)$(1,192)
(1)The 2024 and 2023 pension actuarial loss (gain) primarily relates to the change in our weighted average discount rate assumption.
(2)The 2024 retiree medical and other postretirement benefits actuarial gain primarily relates to changes in certain retirement and weighted average discount rate assumptions, offset by increases in health care premiums and health care cost assumptions.
The 2023 retiree medical and other postretirement benefits actuarial loss primarily relates to the change in our weighted average discount rate assumption and change in health care cost assumptions.
(3)We remeasured our retiree medical and other postretirement benefits to account for enhanced retirement benefits pursuant to the ratification of new CBAs. As a result, in 2024 and 2023, we increased our postretirement benefits obligation by $55 million and $339 million, respectively, which was included as a component of prior service cost in accumulated other comprehensive loss.
(4)In 2024, we made required contributions of $285 million and supplemental contributions of $15 million to our defined benefit pension plans, and in 2023, we made required contributions of $69 million and supplemental contributions of $4 million to our defined benefit pension plans.
Schedule of Amounts Recognized in Consolidated Balance Sheets
Balance Sheet Position
 Pension BenefitsRetiree Medical and 
Other Postretirement Benefits
 2024202320242023
 (In millions)
As of December 31:
Current liability$5 $5 $142 $122 
Noncurrent liability1,090 1,974 1,038 1,070 
Total liabilities$1,095 $1,979 $1,180 $1,192 
Schedule of Amounts Recognized in Other Comprehensive Income
Pension BenefitsRetiree Medical and 
Other Postretirement Benefits
2024202320242023
(In millions)
As of December 31:
Net actuarial loss (gain)$3,128 $3,566 $(408)$(383)
Prior service cost1 — 238 197 
Total accumulated other comprehensive loss (income), pre-tax
$3,129 $3,566 $(170)$(186)
Schedule of Accumulated Benefit Obligations Exceeding Fair Value of Plan Assets
Plans with Projected Benefit Obligations Exceeding Fair Value of Plan Assets
 Pension Benefits
 20242023
 (In millions)
As of December 31:
Projected benefit obligation$13,349 $14,410 
Fair value of plan assets12,254 12,431 
Plans with Accumulated Benefit Obligations Exceeding Fair Value of Plan Assets
 Pension BenefitsRetiree Medical and 
Other Postretirement Benefits
 2024202320242023
 (In millions)
As of December 31:
Accumulated benefit obligation$13,341 $14,403 $— $— 
Accumulated postretirement benefit obligation
— — 1,308 1,325 
Fair value of plan assets12,254 12,431 128 133 
Components of Net Periodic Benefit Cost (Income)
Net Periodic Benefit Cost (Income)
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 202420232022202420232022
 (In millions)
For the years ended December 31:
Defined benefit plans:
Service cost$2 $2 $3 $29 $17 $16 
Interest cost723 758 556 64 55 30 
Expected return on assets(978)(918)(1,138)(10)(11)(12)
Amortization of:
Prior service cost (benefit)— 18 28 14 (6)(14)
Unrecognized net loss (gain)105 106 156 (31)(34)(30)
Net periodic benefit cost (income)$(148)$(34)$(395)$66 $21 $(10)
Schedule of Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost
The following actuarial assumptions were used to determine our benefit obligations and net periodic benefit cost (income) for the periods presented:
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 2024202320242023
Benefit obligations as of December 31:
Weighted average discount rate5.7%5.2%5.6%5.3%
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 202420232022202420232022
Net periodic benefit cost (income) for the years ended December 31:
Weighted average discount rate5.2%5.6%3.0%5.3%5.7%2.8%
Weighted average expected rate of return on plan assets
8.0%8.0%8.0%8.0%8.0%8.0%
Weighted average health care cost trend rate assumed for next year (1)
N/AN/AN/A6.5%6.5%5.8%
(1)The weighted average health care cost trend rate at December 31, 2024 is assumed to decline gradually to 4.5% by 2033 and remain level thereafter.
Schedule of Expected Future Service Benefit Payments
The following benefit payments, which reflect expected future service as appropriate, are expected to be paid (approximately, in millions):
202520262027202820292030-2034
Pension benefits$962 $982 $1,001 $1,015 $1,025 $5,149 
Retiree medical and other postretirement benefits159 163 160 157 153 651 
Schedule of Allocation of Plan Assets The current strategic target asset allocation with the corresponding allowed range is as follows:
Asset Class/Sub-ClassTarget AllocationAllowed Range
Equity56 %
30% - 85%
Public:
U.S. Large18 %
10% - 40%
U.S. Small/Mid4 %
0% - 10%
International Large11.5 %
5% - 25%
International Small/Mid2.5 %
0% - 10%
Emerging Markets5 %
0% - 15%
Private Equity15 %
5% - 30%
Fixed Income44 %
15% - 70%
Public U.S. Fixed Income35 %
15% - 60%
Private Income9 %
0% - 20%
Other0 %
0% - 5%
Cash Equivalents0 %
0% - 20%
Changes in Fair Value Measurements of Level 3 Investments
Changes in fair value measurements of Level 3 investments during the years ended December 31, 2024 and 2023, were as follows (in millions):
20242023
Balance at beginning of year$84 $75 
Actual gain (loss) on plan assets:
Relating to assets still held at the reporting date(25)(9)
Purchases9 20 
Sales— (2)
Balance at end of year$68 $84 
American Airlines, Inc.  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Changes in Projected Benefit Obligations, Fair Value of Plan Assets and Funded Status
The following tables provide a reconciliation of the changes in the pension and retiree medical and other postretirement benefits obligations, fair value of plan assets and funded status as of December 31, 2024 and 2023:
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 2024202320242023
 (In millions)
Benefit obligation at beginning of period$14,314 $13,948 $1,325 $906 
Service cost2 2 29 17 
Interest cost718 753 64 55 
Actuarial loss (gain) (1), (2)
(737)501 (58)92 
Plan amendments (3)
— — 54 339 
Benefit payments(907)(890)(107)(84)
Other(132)— — — 
Benefit obligation at end of period$13,258 $14,314 $1,307 $1,325 
Fair value of plan assets at beginning of period$12,358 $11,821 $133 $133 
Actual return on plan assets561 1,356 9 14 
Employer contributions (4)
295 71 93 70 
Benefit payments(907)(890)(107)(84)
Other(132)— — — 
Fair value of plan assets at end of period$12,175 $12,358 $128 $133 
Funded status at end of period$(1,083)$(1,956)$(1,179)$(1,192)
(1)The 2024 and 2023 pension actuarial loss (gain) primarily relates to the change in American’s weighted average discount rate assumption.
(2)The 2024 retiree medical and other postretirement benefits actuarial gain primarily relates to changes in certain retirement and weighted average discount rate assumptions, offset by increases in health care premiums and health care cost assumptions.
The 2023 retiree medical and other postretirement benefits actuarial loss primarily relates to the change in American’s weighted average discount rate assumption and change in health care cost assumptions.
(3)American remeasured its retiree medical and other postretirement benefits to account for enhanced retirement benefits pursuant to the ratification of new CBAs. As a result, in 2024 and 2023, American increased its postretirement benefits obligation by $54 million and $339 million, respectively, which was included as a component of prior service cost in accumulated other comprehensive loss.
(4)In 2024, American made required contributions of $280 million and supplemental contributions of $15 million to its defined benefit pension plans, and in 2023, American made required contributions of $67 million and supplemental contributions of $4 million to its defined benefit pension plans.
Schedule of Amounts Recognized in Consolidated Balance Sheets
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 2024202320242023
 (In millions)
As of December 31:
Current liability$5 $6 $142 $122 
Noncurrent liability1,078 1,950 1,037 1,070 
Total liabilities$1,083 $1,956 $1,179 $1,192 
Schedule of Amounts Recognized in Other Comprehensive Income
Pension BenefitsRetiree Medical and 
Other Postretirement Benefits
2024202320242023
(In millions)
As of December 31:
Net actuarial loss (gain)$3,130 $3,561 $(407)$(382)
Prior service cost1 — 238 197 
Total accumulated other comprehensive loss (income), pre-tax
$3,131 $3,561 $(169)$(185)
Schedule of Accumulated Benefit Obligations Exceeding Fair Value of Plan Assets
Plans with Projected Benefit Obligations Exceeding Fair Value of Plan Assets
 Pension Benefits
 20242023
 (In millions)
As of December 31:
Projected benefit obligation$13,258 $14,314 
Fair value of plan assets12,175 12,358 
Plans with Accumulated Benefit Obligations Exceeding Fair Value of Plan Assets
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 2024202320242023
 (In millions)
As of December 31:
Accumulated benefit obligation$13,251 $14,307 $— $— 
Accumulated postretirement benefit obligation
— — 1,307 1,325 
Fair value of plan assets12,175 12,358 128 133 
Components of Net Periodic Benefit Cost (Income)
 Pension BenefitsRetiree Medical and
  Other Postretirement Benefits  
 202420232022202420232022
 (In millions)
For the years ended December 31:
Defined benefit plans:
Service cost$2 $2 $3 $29 $17 $16 
Interest cost718 753 552 64 55 30 
Expected return on assets(973)(914)(1,133)(10)(11)(12)
Amortization of:
Prior service cost (benefit)— 18 28 14 (6)(14)
Unrecognized net loss (gain)105 106 156 (31)(34)(30)
Net periodic benefit cost (income)$(148)$(35)$(394)$66 $21 $(10)
Schedule of Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Cost
The following actuarial assumptions were used to determine American’s benefit obligations and net periodic benefit cost (income) for the periods presented:
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 2024202320242023
Benefit obligations as of December 31:
Weighted average discount rate5.7%5.2%5.6%5.3%
 Pension BenefitsRetiree Medical and
Other Postretirement Benefits
 202420232022202420232022
Net periodic benefit cost (income) for the years ended December 31:
Weighted average discount rate5.2%5.6%3.0%5.3%5.7%2.8%
Weighted average expected rate of return on plan assets
8.0%8.0%8.0%8.0%8.0%8.0%
Weighted average health care cost trend rate assumed for next year (1)
N/AN/AN/A6.5%6.5%5.8%
(1)The weighted average health care cost trend rate at December 31, 2024 is assumed to decline gradually to 4.5% by 2033 and remain level thereafter.
Schedule of Expected Future Service Benefit Payments
The following benefit payments, which reflect expected future service as appropriate, are expected to be paid (approximately, in millions):
202520262027202820292030-2034
Pension benefits$957 $977 $995 $1,009 $1,019 $5,115 
Retiree medical and other postretirement benefits158 163 160 156 153 650 
Schedule of Allocation of Plan Assets The current strategic target asset allocation with the corresponding allowed range is as follows:
Asset Class/Sub-ClassTarget AllocationAllowed Range
Equity56 %
30% - 85%
Public:
U.S. Large18 %
10% - 40%
U.S. Small/Mid4 %
0% - 10%
International Large11.5 %
5% - 25%
International Small/Mid2.5 %
0% - 10%
Emerging Markets5 %
0% - 15%
Private Equity15 %
5% - 30%
Fixed Income44 %
15% - 70%
Public U.S. Fixed Income35 %
15% - 60%
Private Income9 %
0% - 20%
Other0 %
0% - 5%
Cash Equivalents0 %
0% - 20%
Changes in Fair Value Measurements of Level 3 Investments
Changes in fair value measurements of Level 3 investments during the years ended December 31, 2024 and 2023, were as follows (in millions):
20242023
Balance at beginning of year$84 $75 
Actual gain (loss) on plan assets:
Relating to assets still held at the reporting date(25)(9)
Purchases9 20 
Sales— (2)
Balance at end of year$68 $84 
Pension Benefits  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Allocation of Plan Assets
The fair value of our pension plan assets at December 31, 2024 and 2023, by asset category, were as follows (in millions) (1):
 December 31, 2024December 31, 2023
Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Equity (2)
$2,498 $— $— $2,498 $3,182 $— $— $3,182 
Fixed income (3)
439 3,723 — 4,162 260 3,238 — 3,498 
Other, net (4)
91 144 68 303 (6)348 84 426 
Measured at NAV (5):
Common collective trusts (6)
— — — 1,153 — — — 1,244 
Private investments (7)
— — — 4,138 — — — 4,081 
Total plan assets$3,028 $3,867 $68 $12,254 $3,436 $3,586 $84 $12,431 
(1)See Note 7 for a description of the levels within the fair value hierarchy.
(2)Equity investments include domestic and international common stock and preferred stock.
(3)Fixed income investments include corporate, government and U.S. municipal bonds, as well as mutual funds invested in fixed income securities.
(4)Other primarily includes a short-term investment fund, net receivables and payables of the master trust for dividends, interest and amounts due to or from the sale and purchase of securities and cash and cash equivalents.
(5)Includes investments that were measured at NAV per share (or its equivalent) as a practical expedient that have not been classified in the fair value hierarchy.
(6)Common collective trusts include commingled funds primarily invested in equity securities. For some trusts, requests for withdrawals must meet specific requirements with advance notice of redemption preferred.
(7)Private investments include limited partnerships that invest primarily in domestic private equity and private income opportunities. The pension plan’s master trust does not have the right to redeem its limited partnership investment at its NAV, but rather receives distributions as the underlying assets are liquidated. It is estimated that the underlying assets of these funds will be gradually liquidated over the next 10 years. As of December 31, 2024, the pension plan’s master trust has future funding commitments to these limited partnerships of approximately $1.1 billion, most of which are expected to be called over the next five years.
Pension Benefits | American Airlines, Inc.  
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Allocation of Plan Assets
The fair value of American’s pension plan assets at December 31, 2024 and 2023, by asset category, were as follows (in millions) (1):
December 31, 2024December 31, 2023
Level 1Level 2Level 3TotalLevel 1Level 2Level 3Total
Equity (2)
$2,498 $— $— $2,498 $3,134 $— $— $3,134 
Fixed income (3)
427 3,723 — 4,150 235 3,238 — 3,473 
Other, net (4)
91 144 68 303 (6)348 84 426 
Measured at NAV (5):
Common collective trusts (6)
— — — 1,086 — — — 1,244 
Private investments (7)
— — — 4,138 — — — 4,081 
Total plan assets$3,016 $3,867 $68 $12,175 $3,363 $3,586 $84 $12,358 
(1)See Note 6 for a description of the levels within the fair value hierarchy.
(2)Equity investments include domestic and international common stock and preferred stock.
(3)Fixed income investments include corporate, government and U.S. municipal bonds, as well as mutual funds invested in fixed income securities.
(4)Other primarily includes a short-term investment fund, net receivables and payables of the master trust for dividends, interest and amounts due to or from the sale and purchase of securities and cash and cash equivalents.
(5)Includes investments that were measured at NAV per share (or its equivalent) as a practical expedient that have not been classified in the fair value hierarchy.
(6)Common collective trusts include commingled funds primarily invested in equity securities. For some trusts, requests for withdrawals must meet specific requirements with advance notice of redemption preferred.
(7)Private investments include limited partnerships that invest primarily in domestic private equity and private income opportunities. The pension plan’s master trust does not have the right to redeem its limited partnership investment at its NAV, but rather receives distributions as the underlying assets are liquidated. It is estimated that the underlying assets of these funds will be gradually liquidated over the next 10 years. As of December 31, 2024, the pension plan’s master trust has future funding commitments to these limited partnerships of approximately $1.1 billion, most of which are expected to be called over the next five years.