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

Yesterday, the United States and U.S. Department of Transportation (DOT) disclosed a lawsuit against Southwest Airlines, ...

(ABC 6 News) — The U.S. Department of Transportation says it is prepared to take airlines to court over flight delays. The ...

The DOT's moves come weeks after issuing a multi-million dollar fine against JetBlue.

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

The agency is seeking civil penalties against Southwest Airlines, and also fined Frontier Airlines for its continuous delays.

United States and U.S. Department of Transportation DOT announced a lawsuit against Southwest Airlines (LUV) for illegally operating multiple ...

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 ...

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

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

The lawsuit filed in California alleges that Southwest illegally operated chronically delayed flights and disrupted ...