Flights for the airplane with tail number N921DU 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

DL819 (MSP-SFO)
This Delta Air Lines flight between Minneapolis St Paul International Airport and San Francisco International Airport, on February 17, 2024, was operated by another airline. It arrived at gate C6. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL819.
DL720 (SFO-MSP)
This Delta Air Lines flight between San Francisco International Airport and Minneapolis St Paul International Airport, on February 17, 2024, was operated by another airline. It departed from gate C7. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL720.
DL400 (SFO-DTW)
This Delta Air Lines flight between San Francisco International Airport and Detroit Metro Airport, on November 26, 2023, was operated by another airline. It departed from gate C8. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL400.
DL662 (ATL-SFO)
This Delta Air Lines flight between Hartsfield-Jackson Atlanta International Airport and San Francisco International Airport, on November 26, 2023, was operated by another airline. It arrived at gate C7. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL662.
DL404 (SFO-DTW)
This Delta Air Lines flight between San Francisco International Airport and Detroit Metro Airport, on November 02, 2023, was operated by another airline. It departed from gate C6. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL404.
DL443 (ATL-SFO)
This Delta Air Lines flight between Hartsfield-Jackson Atlanta International Airport and San Francisco International Airport, on November 02, 2023, was operated by another airline. It arrived at gate C6. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL443.
DL959 (SFO-ATL)
This Delta Air Lines flight between San Francisco International Airport and Hartsfield-Jackson Atlanta International Airport, on October 30, 2023, was operated by another airline. It departed from gate C3. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL959.
DL502 (DTW-SFO)
This Delta Air Lines flight between Detroit Metro Airport and San Francisco International Airport, on October 30, 2023, was operated by another airline. It arrived at gate C3. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL502.
DL573 (DTW-SFO)
This Delta Air Lines flight between Detroit Metro Airport and San Francisco International Airport, on October 27, 2023, was operated by another airline. It arrived at gate C8. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL573.
DL452 (SFO-ATL)
This Delta Air Lines flight between San Francisco International Airport and Hartsfield-Jackson Atlanta International Airport, on October 13, 2023, was operated by another airline. It departed from gate C6. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL452.
DL1012 (MSP-SFO)
This Delta Air Lines flight between Minneapolis St Paul International Airport and San Francisco International Airport, on October 12, 2023, was operated by another airline. It arrived at gate C5. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL1012.
DL1029 (ATL-SFO)
This Delta Air Lines flight traveled from Hartsfield-Jackson Atlanta International Airport to San Francisco International Airport, on October 05, 2023. Passengers were flying aboard a Boeing 737-900 with tail number N921DU. See all the flights for DL1029.