Operating Segments and Related Disclosures (Tables)

9 Months Ended

Sep. 30, 2025

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The Company is managed as a single business unit that provides air transportation for passengers. Operating revenues by geographic region as defined by the Department of Transportation ("DOT") are summarized below (in thousands):

	Successor		Predecessor
	Three Months Ended September 30, 2025		Three Months Ended September 30, 2024
DOT—Domestic	$	834,875	$	1,084,576
DOT—Latin America	123,649		112,528
Total	$	958,524	$	1,197,104

	Successor		Predecessor
	Period from March 13, 2025 through September 30, 2025		Period from January 1, 2025 through March 12, 2025		Nine Months Ended September 30, 2024
DOT—Domestic	$	1,980,566	$	663,201	$	3,320,511
DOT—Latin America	254,836		92,153		423,019
Total	$	2,235,402	$	755,354	$	3,743,530