An unruly man was restrained by passengers on a flight after he began kicking seats and hitting a window, eventually breaking the Plexiglas.

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 ...

Twenty minutes into the flight from Denver to Houston, witnesses say the man was punching the seat in front of him.

An out-of-control Frontier Airlines passenger punched an airplane window so hard that it cracked before he was hogtied by ...

A passenger on a Frontier Airlines flight bound for Houston punched a window hard enough to break the plexiglass according to ...

The flight had departed from Denver and was in the air for about 20 to 30 minutes, when a woman asked the man behind her to ...

"He was scary," a witness said. "He started kicking profusely and started punching the window." Passengers on board restrained the man with zip ties and a shoelace.

Footage captured aboard Flight 4856 from Denver to Houston shows the unknown man frantically lashing out at his fellow ...