Flights for UA1623 These are not all the flights that UA1623 has taken, just some of them that have flown in or out of SFO

UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 21, 2017. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on June 06, 2017. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 26, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 02, 2017. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 05, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 07, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 06, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 13, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 10, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 04, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 01, 2017. Passengers were flying aboard a Boeing 787-9. See all the flights for UA1623.
UAL1623 (KDEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 11, 2017. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1623.

All these flight data are available as openly licensed data on the sfomuseum-data GitHub account. If you'd like to read more about our efforts to archive flight data at SFO Museum have a look a the Mills Field weblog posts tagged "flightdata".