Passenger restrained after cracking window during mid-flight chaos on Houston-bound flight
Twenty minutes into the flight from Denver to Houston, witnesses say the man was punching the seat in front of him.
Crazed Frontier Airlines passenger restrained by fellow travelers with shoelaces, flex cuffs after he cracks plane window
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.