UA421 (DEN-SFO) on November 07, 2021 This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on November 07, 2021. It arrived at gate E12. Passengers were flying aboard a Boeing 757-300 with tail number N77871. See all the flights for UA421.
UA421'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.