Frontier Airlines is adding a nonstop flight from Dulles International Airport in Virginia to Las Vegas, Nevada, this spring, ...

Frontier Airlines will have to compete with American Airlines and United Airlines on two out of the three routes.

Low-cost air carrier Frontier Airlines is adding three new routes this spring, connecting more destinations across the U.S.

The fatal midair collision between American Airlines Flight 5342 and a U.S. Army UH-60 Blackhawk near the Ronald Reagan ...