United Airlines Airbus A320 and Boeing 737-800 on final approach at San Francisco. Published 29/04/2018 at 2000 × 1046 in Airbus A320 History – How Airbus successfully filled the short haul airliner market United Airlines Airbus A320 and Boeing 737-800 on final approach at San Francisco. United Airlines Airbus A320 and Boeing 737-800 on final approach at San Francisco