Southwest flight attendant loses teeth after being assaulted by passenger Published A Southwest Airlines flight attendant allegedly lost a few teeth after being assaulted by a passenger during a flight over the weekend, according to Transport Workers Union Local 556. In a letter sent to Southwest and obtained by Fox News, TWU Local 556 President Lyn Montgomery drew attention to the assault, saying it's just one of the hundreds of misconduct incidents that have occurred on Southwest flights in recent weeks. "This past weekend, one of our flight attendants was seriously assaulted, resulting in injuries to the face and a loss of two teeth,'' Montgomery said in the letter,