AdvertisementAfter Unsatisfying Answers, United Offers 'Deepest Apology' For Violent ConfrontationApril 11, 2017Camila DomonoskefacebookEmailA 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)