Flights for UA2131 These are not all the flights that UA2131 has taken, just some of them that have flown in or out of SFO

UAL2131 (HNL-SFO)
This United Airlines flight traveled from Honolulu International Airport to San Francisco International Airport, on February 12, 2015. Passengers were flying aboard a Boeing 777-200. See all the flights for UA2131.
UAL2131 (KIAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on July 22, 2015. Passengers were flying aboard a Boeing 767-300. See all the flights for UA2131.
UAL2131 (KLAX-SFO)
This United Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on June 28, 2015. Passengers were flying aboard an Airbus A320-200. See all the flights for UA2131.
UAL2131 (KOA-SFO)
This United Airlines flight traveled from Kailua-Kona International Airport to San Francisco International Airport, on May 06, 2015. Passengers were flying aboard a Boeing 757-300. See all the flights for UA2131.
UAL2131 (KSAN-SFO)
This United Airlines flight traveled from San Diego International Airport to San Francisco International Airport, on November 20, 2015. Passengers were flying aboard an Airbus A320-200. See all the flights for UA2131.
UAL2131 (KSAN-SFO)
This United Airlines flight traveled from San Diego International Airport to San Francisco International Airport, on December 21, 2015. Passengers were flying aboard an Airbus A320-200. See all the flights for UA2131.
UAL2131 (KSEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on October 25, 2015. Passengers were flying aboard a Boeing 737-900. See all the flights for UA2131.
UAL2131 (LAX-SFO)
This United Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on October 30, 2014. Passengers were flying aboard a Boeing 757-200. See all the flights for UA2131.
UAL2131 (LAX-SFO)
This United Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on February 07, 2015. Passengers were flying aboard a Boeing 757-200. See all the flights for UA2131.
UAL2131 (SFO-KVCV)
This United Airlines flight traveled from San Francisco International Airport to Southern California Logistics Airport, on January 22, 2017. Passengers were flying aboard a Boeing 737-800. See all the flights for UA2131.
UAL2131 (SFO-LAX)
This United Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on February 25, 2015. Passengers were flying aboard a Boeing 737-900. See all the flights for UA2131.

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".