The Transportation Department continues its battle against chronically delayed flights with new actions against Southwest, featuring a Bay Area route.

The DOT filed a lawsuit against Southwest Airlines, citing a pattern of chronic delays, as the government pushes for stricter accountability.

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

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

A lawsuit filed against Southwest alleges the airline operated multiple “chronically delayed” flights affecting thousands of passengers.

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

Southwest Airlines was penalized for the incident by the U.S. Department of Transportation, which ordered the airline to pay a $140 million civil penalty after it had already refunded $600 million to passengers.