The agency said the U.S. District Court lawsuit it filed in California on Wednesday alleges that Southwest illegally operated chronically delayed flights and disrupted passengers' travel plans.

Southwest Airlines Co. (NYSE:LUV), with a market capitalization of $19.58 billion, announced today its decision to settle the ...

Passengers flying on Spirit Airlines can now be removed from a flight if a tattoo or other "body art" is deemed "lewd, obscene, or offensive." ...

The agency defines a flight as chronically delayed if it runs at least 10 times a month and arrives more than 30 minutes late more than half the time. The department cited JetBlue flights between ...