The Department of Transportation defines a flight to be chronically delayed if it is “flown at least 10 times a month and ...

The Department of Transportation is suing Southwest Airlines, accusing it of operating two “chronically delayed flights” in ...

The U.S. Transportation Department is suing Southwest Airlines and has fined Frontier Airlines over "chronically" delayed ...

Southwest Airlines stock fell Thursday after the Department of Transportation sued the airline over a pair of "chronically ...

The Transportation Department is stepping up enforcement of persistent flight delays with a civil lawsuit against Southwest ...