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

Having assessed a first-of-its-kind fine for “chronic flight delays” against JetBlue Airways, federal regulators have now moved to penalize both Southwest Airlines and Frontier Airlines for similar ...

The Transportation Department is stepping up enforcement of persistent flight delays with a lawsuit against Southwest ...

The US Department of Transportation has filed a lawsuit against Southwest and imposed a fine on Frontier for operating ...

The US Department of Transportation sued Southwest Airlines and fined Frontier Airlines for flight delays, seeking civil ...

The U.S. Transportation Department is suing Southwest Airlines and has fined Frontier Airlines over "chronically" delayed ...

Southwest Airlines is being sued and Frontier Airlines fined over chronic flight delays by the Department of Transportation, ...

The Department of Transportation said that two Southwest Airlines routes arrived late nearly 180 times in a five-month period ...

Pete Buttigieg ran for president once and may one day run for president again. Over the past four years, though, he has held a job that has come with a lot of potential political liabilities. He has ...

In an exit interview with All Things Considered, DOT Secretary Pete Buttigieg reflects on the Biden administration's ...