Southwest passengers will notice many changes at their favorite airline, from baggage fees to flight credits to Rapid Rewards ...

U.S. ULCC Frontier Airlines is opening five routes this week, including three from Atlanta and two from Puerto Rico.

Southwest Airlines is eliminating open seating and ... These routes include flights from Phoenix to Baltimore, Atlanta and Orlando. It also began two redeyes from Hawaii to Phoenix in April ...

As it opted to pursue litigation against Southwest, the DOT also determined Frontier Airlines had operated three chronically ...