Airlines that no longer fly: when they stopped, what happened, and who carries on their routes.
United States · Stopped 2026
Ceased operations 2 May 2026 after its second bankruptcy
Thailand · Merged 2024
Merged into Thai Airways
Carries on as Thai Airways International
Singapore · Merged 2018
Merged into Singapore Airlines
Carries on as Singapore Airlines
United States · Merged 2018
Merged into Alaska Airlines
Carries on as Alaska Airlines
United States · Merged 2015
Merged into American Airlines
Carries on as American Airlines
United States · Merged 2014
Merged into Southwest Airlines
Carries on as Southwest Airlines
United States · Merged 2012
Merged into United Airlines
Carries on as United Airlines
Netherlands · Merged 2011
Passenger flights ended; merged into KLM
Carries on as KLM Royal Dutch Airlines
United States · Merged 2010
Merged into Delta Air Lines
Carries on as Delta Air Lines
United States · Merged 2009
Merged into Frontier Airlines
Carries on as Frontier Airlines
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