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

A passenger on a Frontier Airlines flight had to be restrained by other travelers after he broke a plane window.

A passenger who appeared to be experiencing a mental health crisis punched out the plexiglass of a window mid-flight.

Whether you're the type of passenger who loves booking a window seat or someone who prefers to stay far from any reminders that you're flying 35,000 feet above ground, plane windows regularly play ...