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

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 ...

The US Department of Transportation (USDOT) is suing Southwest Airlines for “illegally operating multiple chronically delayed ...

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

The agency is seeking civil penalties against Southwest Airlines, and also fined Frontier Airlines for its continuous delays.

The Department of Transportation is suing the airline for what it characterized as months of "chronically delayed" flights — ...

The Department of Transportation alleges Southwest Airlines was “illegally operating multiple chronically delayed flights.” ...

The lawsuit filed in California alleges that Southwest illegally operated chronically delayed flights and disrupted ...

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

The Transportation Department accused Southwest Airlines of operating “chronically delayed flights,” according to multiple ...

The Department of Transportation is suing Southwest Airlines and accusing the carrier of “illegally operating multiple ...