v3.25.3
Comprehensive Income (Tables)
 9 Months Ended
Sep. 30, 2025
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Schedule of Components of Comprehensive Income The differences between Net income and Comprehensive income for the three and nine months ended September 30, 2025 and 2024 were as follows:
 Three months ended September 30,
(in millions)20252024
NET INCOME$54 $67 
Unrealized gain (loss) on fuel derivative instruments, net of
  deferred taxes of $8 and ($14)
28 (a)(50)
Other, net of deferred taxes of $1 and $—
1 2 
Total other comprehensive income (loss)$29 $(48)
COMPREHENSIVE INCOME$83 $19 
(a) Includes reclassification adjustments from Accumulated Other Comprehensive Income into Fuel and oil expense associated with hedges previously terminated.

 Nine months ended September 30,
(in millions)20252024
NET INCOME$118 $204 
Unrealized gain (loss) on fuel derivative instruments, net of
  deferred taxes of $5 and ($12)
15 (a)(42)
Other, net of deferred taxes of $1 and $1
4 5 
Total other comprehensive income (loss)$19 $(37)
COMPREHENSIVE INCOME$137 $167 
(a) Includes reclassification adjustments from Accumulated Other Comprehensive Income into Fuel and oil expense associated with hedges previously terminated.
Schedule of Rollforward of the Amounts Included in AOCI, Net of Taxes
A rollforward of the amounts included in AOCI, net of taxes, is shown below for the three and nine months ended September 30, 2025:
(in millions)Fuel derivativesDefined benefit plan itemsOtherDeferred tax impactAccumulated other comprehensive income (loss)
Balance at June 30, 2025$(209)$167 $(4)$11 $(35)
Changes in fair value— — — — — 
Reclassification to earnings36 — 2 (9)29 
Balance at September 30, 2025$(173)$167 $(2)$2 $(6)

(in millions)Fuel derivativesDefined benefit plan itemsOtherDeferred tax impactAccumulated other comprehensive income (loss)
Balance at December 31, 2024$(193)$167 $(7)$8 $(25)
Changes in fair value(90)— — 21 (69)
Reclassification to earnings110 — 5 (27)88 
Balance at September 30, 2025$(173)$167 $(2)$2 $(6)
Schedule of Reclassification out of Accumulated Other Comprehensive Income
The following tables illustrate the significant amounts reclassified out of each component of AOCI for the three and nine months ended September 30, 2025:
Three months ended September 30, 2025
(in millions)Amounts reclassified from AOCI
Affected line item in the unaudited Condensed Consolidated Statement of Comprehensive Income
AOCI components
Unrealized loss on fuel derivative instruments$36 Fuel and oil expense
8 Less: Tax expense
$28 Net of tax
Other$2 Other operating expenses
1 Less: Tax expense
$1 Net of tax
Total reclassifications for the period$29 Net of tax

Nine months ended September 30, 2025
(in millions)Amounts reclassified from AOCI
Affected line item in the unaudited Condensed Consolidated Statement of Comprehensive Income
AOCI components
Unrealized loss on fuel derivative instruments$110 Fuel and oil expense
26 Less: Tax expense
$84 Net of tax
Other$5 Other operating expenses
1 Less: Tax expense
$4 Net of tax
Total reclassifications for the period$88 Net of tax