Flights for UA1664 These are not all the flights that UA1664 has taken, just some of them that have flown in or out of SFO

UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 21, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 02, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 28, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on January 13, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 03, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on September 27, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 17, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on September 26, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 10, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 24, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 08, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.
UAL1664 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 12, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1664.

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".