Flights for UA2121 These are not all the flights that UA2121 has taken, just some of them that have flown in or out of SFO

UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 24, 2020. It arrived at gate F16. Passengers were flying aboard an Airbus A319 with tail number N899UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 23, 2020. It arrived at gate E9. Passengers were flying aboard an Airbus A319 with tail number N851UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 22, 2020. It arrived at gate F12. Passengers were flying aboard an Airbus A319 with tail number N891UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 21, 2020. It arrived at gate F20. Passengers were flying aboard an Airbus A319 with tail number N826UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 20, 2020. It arrived at gate E7. Passengers were flying aboard an Airbus A319 with tail number N821UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 18, 2020. It arrived at gate E10. Passengers were flying aboard an Airbus A319 with tail number N852UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 16, 2020. It arrived at gate F21. Passengers were flying aboard an Airbus A319 with tail number N893UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 14, 2020. It arrived at gate E5. Passengers were flying aboard an Airbus A319 with tail number N877UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 13, 2020. It arrived at gate F1. Passengers were flying aboard an Airbus A319 with tail number N848UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 11, 2020. It arrived at gate E13. Passengers were flying aboard an Airbus A319 with tail number N834UA. See all the flights for UA2121.
UA2121 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 07, 2020. It arrived at gate F4. Passengers were flying aboard an Airbus A319 with tail number N852UA. See all the flights for UA2121.