A flight passenger took to social media to ask for advice after being told to "climb over" a fellow flyer in order to exit the row for a bathroom break. An etiquette expert weighs in.

Ian Epstein was one of the four crew members on the flight that crashed midair near Reagan National Airport on January 29.

Several travelers shared safety concerns commenting on an online user’s post about a sizable suitcase with a seatbelt around ...