This potty-mouthed passenger took a stand — and lost her seat. A United Airlines passenger’s meltdown went viral after the irate woman lobbed a few choice words at a poised flight attendant during a delay on the tarmac at Newark Liberty International Airport. A fellow traveler captured the woman’s entire tirade — which quickly garnered nearly 500,000 views on TikTok since it was posted on Nov. 10. Then, in a moment of karmic glory, the testy traveler realizes she’s being recorded and goes dead silent. She drags her gaze away from the phone and tries to play it cool. From...