Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2024

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Components of Comprehensive Income (Loss)

The differences between Net loss and Comprehensive loss for the three months ended March 31, 2024 and 2023 were as follows:

	Three months ended March 31,
(in millions)	2024		2023
NET LOSS	$	(231)	$	(159)
Unrealized gain (loss) on fuel derivative instruments, net of   deferred taxes of $6 and ($44)	17		(147)
Other, net of deferred taxes of $— and $—	2		—
Total other comprehensive income (loss)	$	19	$	(147)
COMPREHENSIVE LOSS	$	(212)	$	(306)

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 months ended March 31, 2024:

(in millions)	Fuel derivatives		Defined benefit plan items		Other		Deferred tax impact		Accumulated other comprehensive income (loss)
Balance at December 31, 2023	$	(135)	$	149	$	(15)	$	1	$	—
Changes in fair value	1		—		—		—		1
Reclassification to earnings	22		—		2		(6)		18
Balance at March 31, 2024	$	(112)	$	149	$	(13)	$	(5)	$	19

Reclassification out of Accumulated Other Comprehensive Income (Loss)

The following table illustrates the significant amounts reclassified out of each component of AOCI for the three months ended March 31, 2024:

Three months ended March 31, 2024
(in millions)	Amounts reclassified from AOCI		Affected line item in the unaudited Condensed Consolidated Statement of Comprehensive Loss
AOCI components
Unrealized loss on fuel derivative instruments	$	22	Fuel and oil expense
	6		Less: Tax expense
	$	16	Net of tax
Other	$	2	Other operating expenses
	—		Less: Tax expense
	$	2	Net of tax
Total reclassifications for the period	$	18	Net of tax