Spirit, which filed for bankruptcy protection last year, says it has rejected the new Frontier overture but would be open to ...

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

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

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

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

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

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

New flights have been added for Kansas City and Philly fans, with one airline adding flights on a route it doesn't normally ...

What to know: Southwest Airlines offers a different experience. Here's how it works. The release also announced an enforcement action against Frontier Airlines for chronically delayed flights.

What to know: Southwest Airlines offers a different experience. Here's how it works. The release also announced an enforcement action against Frontier Airlines for chronically delayed flights. The ...

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 ...