The US Department Of Transportation (DOT) has revoked the interstate air carrier operating certificates of four defunct US carriers - AirTran Airways , Continental Airlines , US Airways and Virgin America . The most recently active of these four was Virgin America, which ceased operations in 2018 after it was taken over by Alaska Airlines.

AirTran Airways and US Airways haven't flown for over a decade, while the oldest carrier was Continental Airlines, which stopped flying in 2012 after its merger with United Airlines. Carriers typically have their operating certificates revoked within a year of ceasing operations, so it isn't known why the DOT took so long to do so with these four carriers.

DOT Revokes Four Old Airline Certificates

As reported by FlightGlobal,

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