Spirit Airlines rejected a $400 million merger proposal from Frontier this week, saying the offer was financially inadequate ...

Frontier and Spirit Airlines will once again try to merge, only months after the Biden administration won a key antitrust ...

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

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.

Airlines have a legal obligation to ensure that their flight schedules provide travelers with realistic departure and arrival times,” Transportation Secretary Pete Buttigieg said in a ...

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 ...

American Airlines, Frontier Airlines, Southwest Airlines, United Airlines and Delta Air Lines have added a combined 31 new nonstop flights between Philadelphia International Airport (PHL ...

The DOT filed a lawsuit against Southwest Airlines, citing a pattern of chronic delays, as the government pushes for stricter accountability.

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