Frontier Airlines proposes merging with fellow budget carrier Spirit
A Frontier Airlines plane near a Spirit Airlines plane at the Fort Lauderdale-Hollywood International Airport...
Frontier
DOT sues Southwest, fines Frontier for ‘chronically delayed flights’
A Southwest Airlines Boeing 737 departs Los Angeles International Airport en route to Las Vegas...
Frontier plans new flights from JFK to Miami, Los Angeles and Dallas
Frontier Airlines Nurphoto | Nurphoto | Getty Images Discount carrier Frontier Airlines is beefing up...
