UA820 (MEX-SFO) on March 21, 2023 This United Airlines flight between Benito Juarez International Airport and San Francisco International Airport, on March 21, 2023, was operated by another airline. It arrived at gate G3. Passengers were flying aboard an Airbus A320-200 with tail number N427UA. See all the flights for UA820.
UA820's arrival at SFO on this date
Sometimes flight paths may look a bit weird in places, because that is (can be) the nature of radar data. It should still give you a rough idea of where this flight traveled to and from though.