Flights for the airplane with tail number N39423 These are not all the flights for this airplane, just the ones that have flown in and out of SFO since we've been counting. See all the airports this plane has visited for those flights or all the airplanes we've logged so far.

UA1040 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on June 04, 2020. It arrived at gate F14. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1040.
UA2764 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on April 29, 2020. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2764.
UA2165 (LAX-SFO)
This United Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on April 25, 2020. It arrived at gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2165.
UA419 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 16, 2020. It arrived at gate F14. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA419.
UA2341 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on March 10, 2020. It departed from gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2341.
UA499 (ORD-SFO)
This United Airlines flight traveled from Chicago O'Hare International Airport to San Francisco International Airport, on March 10, 2020. It arrived at gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA499.
UA222 (ORD-SFO)
This United Airlines flight traveled from Chicago O'Hare International Airport to San Francisco International Airport, on March 02, 2020. It arrived at gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA222.
UA616 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on February 24, 2020. It departed from gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA616.
UA632 (LAX-SFO)
This United Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on February 23, 2020. It arrived at gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA632.
UA1248 (SFO-LAX)
This United Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on February 23, 2020. It departed from gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1248.
UA731 (PHL-SFO)
This United Airlines flight traveled from Philadelphia International Airport to San Francisco International Airport, on February 23, 2020. It arrived at gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA731.
UA2384 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on February 21, 2020. It departed from gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2384.