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

Boeing 777. It is related to Boeing (the company) .
Boeing 767-200. It is related to Boeing (the company) and Boeing 767 (the aircraft) .
Boeing 747. It is related to Boeing (the company) .
Boeing 737-400. It is related to Boeing (the company) and Boeing 737 (the aircraft) .
Boeing 717-200. It is related to Boeing (the company) and Boeing 717 (the aircraft) .
Airbus A318. It is related to Airbus (the company) .
Airbus A310. It is related to Airbus (the company) .
Boeing 727-200. It is related to Boeing (the company) and Boeing 727 (the aircraft) .
Boeing 747-200. It is related to Boeing (the company) and Boeing 747 (the aircraft) .
Boeing 777-200LR. It is related to Boeing (the company) and Boeing 777-200 (the aircraft) and Boeing 777 (the aircraft) .
Boeing 747-800. It is related to Boeing (the company) and Boeing 747-8 (the aircraft) and Boeing 747 (the aircraft) .
Embraer ERJ-175 (long wing). It is related to Embraer (the company) and Embraer ERJ (the aircraft) .