The US Department of Transportation is flexing its muscles against airlines who operate chronically late flights.

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

(ABC 6 News) — The U.S. Department of Transportation says it is prepared to take airlines to court over flight delays. The agency has filed a lawsuit against Southwest, accusing the airline of illegally operating chronically delayed flights and disrupting passengers’ travel plans.

Yesterday, the United States and U.S. Department of Transportation (DOT) disclosed a lawsuit against Southwest Airlines, accusing the airline of chronically delayed flights and interrupting ...

A Southwest ... to the U.S. Department of Treasury, but the other half can be waived if the airline doesn't operate any chronically delayed flights for the next three years. “Airlines have ...

The Transportation Department alleges Southwest Airlines was “illegally operating multiple chronically delayed flights” in 2022.

A regional jet collided with an Army Black Hawk helicopter near Ronald Reagan Washington National Airport on Wednesday evening, U.S. officials confirmed to ABC News.

The Transportation Department is stepping up enforcement of persistent flight delays with a lawsuit against Southwest Airlines and a fine against Frontier Airlines. The agency said the U.S ...

Secretary of Transportation Sean Duffy promised to improve the nation's transportation infrastructure and systems after Vice President JD Vance swore in Duffy on Wednesday afternoon.

A regional jet approach ing Reagan National Airport collided with a military helicopter over the Potomac River late Wednesday night, prompting a massive search and rescue operation.

Budget carrier Frontier Airlines announced on Wednesday that it has made another bid for fellow discount carrier Spirit Airlines, which is in bankruptcy, for an undisclosed sum.

Having your luggage lost or mishandled can derail an exciting trip before it even begins. When it comes to keeping track of travelers' baggage, some airports and airlines fare better than others.