above is the news report, and is well done, makes everything clear. Next video is only the real time radio feed, and video
Air Canada flight 759 (ACA759), an Airbus A320, C-FKCK, was cleared to land on runway 28R at San Francisco International Airport (SFO), San Francisco, California, but instead lined up on parallel taxiway C, where four air carrier airplanes were awaiting takeoff clearance
United Airlines flight 1 (UAL1), a Boeing 787;
Philippine Airlines flight 115, an Airbus A340;
United Airlines flight 863, another Boeing 787;
and United Airlines flight 1118, a Boeing 737.
ACA759 descended below 100 ft above the ground, and the flight crew advanced the thrust levers to initiate a go-around about the time it overflew the first airplane on the taxiway.