A United Airlines passenger was left mortified after his confusion over a boarding pass resulted in a woman getting accidentally booted off the airplane, according to a Reddit post taking off online.

"I just had to laugh in the moment because it was so bizarre, but I was still weirded out," the woman told Newsweek.

A U.S. passenger plane getting ready to take off and a military jet coming in were told to change course to avoid a possible crash, officials said ...