Budget carrier Frontier Airlines announced on Wednesday that it has made another bid for fellow discount carrier Spirit ...

The Federal Aviation Administration announced that Frontier Airlines implemented a ground stop for all destinations, but ...

Secretary of Transportation Sean Duffy promised to improve the nation's transportation infrastructure and systems after Vice ...

Spirit Airlines' executives remarked that they were still open to discussions if Frontier Airlines would improve its offer.

Yesterday, the United States and U.S. Department of Transportation (DOT ... In addition, the DOT levied a fine against Frontier Airlines, which was also for chronically delayed flights.

The Transportation Department files a lawsuit against Southwest Airlines and fines Frontier Airlines for persistent flight delays, seeking maximum civil penalties ...

The United States Department of Transportation (DOT) announced a lawsuit against Southwest Airlines and a fine against Frontier Airlines as part of a crackdown on how carriers handle flight delays.

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

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.

It serves like American Delta, United ... The Transportation Department is stepping up enforcement of persistent flight delays with a lawsuit against Southwest Airlines and a fine against Frontier ...