Flights for UA1891 These are not all the flights that UA1891 has taken, just some of them that have flown in or out of SFO

UAL1891 (RDU-SFO)
This United Airlines flight traveled from Durham International Airport to San Francisco International Airport, on January 30, 2014. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.
UAL1891 (SFO-ANC)
This United Airlines flight traveled from San Francisco International Airport to Ted Stevens Anchorage International Airport, on February 02, 2014. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.
UAL1891 (SFO-BWI)
This United Airlines flight traveled from San Francisco International Airport to Baltimore-Washington International Thurgood Marshall Airport, on June 01, 2013. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.
UAL1891 (SFO-EDF)
This United Airlines flight traveled from San Francisco International Airport to Elmendorf Air Force Base, on October 20, 2012. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1891.
UAL1891 (SFO-FOE)
This United Airlines flight traveled from San Francisco International Airport to Topeka Regional Airport, on June 20, 2014. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.
UAL1891 (SFO-GRK)
This United Airlines flight traveled from San Francisco International Airport to Killeen-Fort Hood Regional Airport, on April 09, 2013. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.
UAL1891 (SFO-HOP)
This United Airlines flight traveled from San Francisco International Airport to Campbell Army Air Field, on May 01, 2013. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.
UAL1891 (SFO-IND)
This United Airlines flight traveled from San Francisco International Airport to Indianapolis International Airport, on August 09, 2013. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.
UAL1891 (SFO-SJC)
This United Airlines flight traveled from San Francisco International Airport to Norman Y Mineta San Jose International Airport, on June 26, 2014. Passengers were flying aboard a Boeing 777-200. See all the flights for UA1891.
UAL1891 (SFO-TCM)
This United Airlines flight traveled from San Francisco International Airport to McChord Air Force Base, on March 21, 2012. Passengers were flying aboard a Boeing 747-400. See all the flights for UA1891.

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".