Two percent of flights operated by U.S. airlines were canceled in August, according to the U.S. Department of Transportation.

Frontier and Spirit are two of the most popular ultra-low-cost carriers, but which is the better airline, and which offers ...

Spirit is financially troubled and vulnerable right now, and Frontier sees an opening. Spirit may be having its share of ...

While airlines worldwide grapple with groundings of Airbus A320neo-family jets due to Pratt & Whitney's recall of hundreds of ...

Spirit Airlines is taking aggressive steps to avoid bankruptcy, but the best-case outcome still isn't likely to result in a ...

NTSB: An electrical system malfunctioned, the autopilot quit and radio communications were disrupted aboard the flight from ...

An electrical system malfunctioned, the autopilot quit and some radio communications were disrupted aboard a Frontier Airlines plane before the pilots made a fiery but safe emergency landing in Las ...

Several investors pressed Frontier Airlines on the potential for a merger with Spirit Airlines on Tuesday after reports surfaced that the two low-fare carriers may have resumed talks about a deal.

Frontier Airlines launched flights between Newark Liberty International Airport (EWR) and Hartsfield-Jackson Atlanta ...