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

Frontier Airlines ended Q3 with a net loss of $11 million (adjusted), with the low-cost carrier still seeing challenges ...

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

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

Frontier and Spirit are two of the most complained-about U.S. airlines, but they also tend to be among the cheapest. Both are ...

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

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

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 ...

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 ...

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

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