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

Frontier Airlines, a Denver-based ultra-low-cost carrier ( ULCC), is known for its sustainability and budget-friendly airfare ...

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 ...

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

A look at why one TPG staffer chose to get the Frontier Airlines World Mastercard and how he's making the most of the card's ...

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.

Company executives say Frontier Airlines’ network and passenger-capacity pivots are already paying off as parent Frontier ...

Ben Baldanza, who helped pioneer discount air travel as head of Spirit Airlines Inc. and became a target of passenger ...