Aircraft operated by United Airlines that have visited SFO These are not all the United Airlines aircraft models that have flown in or out of SFO, just the ones we've seen since we so far / See all the United Airlines flights / Or just the individual airplanes they have flown

Airbus A320-200. It is related to Airbus (the company) and Airbus A320 (the aircraft) .
Boeing 757-200. It is related to Boeing (the company) and Boeing 757 (the aircraft) .
Airbus A319. It is related to Airbus (the company) .
Boeing 737-800. It is related to Boeing (the company) and Boeing 737 (the aircraft) .
Boeing 737-900. It is related to Boeing (the company) and Boeing 737 (the aircraft) .
Boeing 777-200. It is related to Boeing (the company) and Boeing 777 (the aircraft) .
Boeing 767-300. It is related to Boeing (the company) and Boeing 767 (the aircraft) .
Boeing 757-300. It is related to Boeing (the company) and Boeing 757 (the aircraft) .
Boeing 747-400. It is related to Boeing (the company) and Boeing 747 (the aircraft) .
Boeing 737-300. It is related to Boeing (the company) and Boeing 737 (the aircraft) .
Boeing 787-9. It is related to Boeing (the company) and Boeing 787 (the aircraft) .