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

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

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

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

The calculation includes cancellations and diversions. "When an airline knows that a particular flight is consistently late, it is essential that the airline adjusts its schedule," the DOT said in its lawsuit,

The U.S. Transportation Department is suing Southwest Airlines and has fined Frontier Airlines over "chronically" delayed flights, disrupting passengers' travel and plans.

The US Department of Transportation (USDOT) is suing Southwest Airlines for “illegally operating multiple chronically delayed flights and disrupting passengers’ travel,” according to a press release.

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

The Transportation Department accused Southwest Airlines of operating “chronically delayed flights,” according to multiple outlets, marking the latest action against a major airline for late flights after the department fined JetBlue Airways over the issue early this month.