Support WBURAfter Unsatisfying Answers, United Offers 'Deepest Apology' For Violent ConfrontationCamila DomonoskeApril 11, 2017 ShareA United Airlines Boeing 737 is parked outside the Boeing 737 Delivery Center in Seattle in 2015. A passenger was forcibly removed from a flight from Chicago to Louisville, Ky., on Sunday. (Getty Images)