A crazed Frontier Airlines passenger was restrained by a group of fellow travelers with makeshift restraints after repeatedly punching the seat in front of him before cracking a window with his foot.

Frontier Group Holdings, parent company of Frontier Airlines, beat Q4 profit expectations with a 12% revenue increase.

Frontier Group’s stock ULCC rose 15.5% on Friday after the parent of carrier Frontier Airlines reported fourth-quarter earnings of 23 cents a share, well ahead of the FactSet consensus estimate of 13 ...

Spirit in its Wednesday filing said management shared the Frontier plan with its financial advisers and debtholders, but they rejected the idea as inferior to what is now on the table in court.

Frontier plans to turn to Reno, Nev.; Tucson, Ariz.; and Antigua and Barbuda as it adds more routes. It is planning to expand service across the U.S. and the Caribbean by adding 16 routes.

Spirit Airlines rejected Frontier Airlines' second attempt to merge the two companies on Wednesday and will continue with its plans to exit bankruptcy. Frontier made an offer in early January ...

With 2 weekly flights with A320neo and A321neo, Frontier will be able to immediately challenge Avianca on this popular route.

In December, Frontier launched five new nonstop routes out of TPA including flights to Boston, Portland, Maine and Burlington ...

A passenger aboard a Frontier Airlines flight to Houston had a violent outburst on Wednesday after being asked to move, punching and kicking in his seat until he cracked one layer of the plane’s ...