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

The Department of Transportation is suing Southwest Airlines, accusing it of operating two “chronically delayed flights” in 2022 that resulted in 180 flight disruptions.

President Joe Biden's administration on Wednesday sued Southwest Airlines , accusing the carrier of illegally operating multiple chronically delayed flights and disrupting passengers’ travel.

The Transportation Department said in a lawsuit that two of the airline’s routes were consistently delayed in violation of federal rules.

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

As part of a regulatory crackdown on “chronically” late flights, federal transport regulators are suing the carrier after reaching deals with two others.