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 ...

Last week, Spirit said it reached an agreement with its credit card processor U.S. Bank National Association to extend its ...

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

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 ...

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 ...