A Frontier Airlines flight appeared to catch fire during an emergency landing at Harry Reid International Airport on Saturday ...

Spirit and Frontier are taking issue with the way the Transportation Department awarded long-distance flights out of Reagan ...

Phoenix Sky Harbor is one of three airports to get Frontier Airlines' new flights to this Pacific Northwest city. Here's how to get the cheapest fare.

The rumors have come true with Spirit Airlines and Frontier Airlines unveiling plans to merge Monday. The deal would create a U.S. budget juggernaut and the country's fifth largest airline but ...

Frontier Airlines will add flights this summer ... Boeing, one of the major commercial jet manufacturers, has its factory there. Did you follow Arizona news this week? Test your knowledge with ...