The DOT is aiming to send a message to all airlines that it will go to court to enforce passenger protections.

The Transportation Department is taking legal action against Southwest, alleging the airline illegally operated persistently ...

The lawsuit alleges Southwest illegally operated chronically delayed flights and disrupted passengers' travel plans.

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

Southwest is disappointed that DOT chose to file a lawsuit over two flights that occurred more than two years ago," a ...

From Paris to Mexico City to Hawaii and beyond, here are all the new flights coming to Phoenix Sky Harbor and Mesa Gateway ...

The agency said the U.S. District Court lawsuit it filed in California on Wednesday ... released this month that Southwest ranked fifth among the 10 North American airlines it evaluated for ...

President Joe Biden's administration has sued Southwest Airlines , accusing the carrier of illegally operating multiple ...