Flights for UA271 These are not all the flights that UA271 has taken, just some of them that have flown in or out of SFO

UAL271 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on June 07, 2013. Passengers were flying aboard a Boeing 757-200. See all the flights for UA271.
UAL271 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on June 14, 2013. Passengers were flying aboard a Boeing 757-200. See all the flights for UA271.
UAL271 (SFO-PDX)
This United Airlines flight traveled from San Francisco International Airport to Portland International Airport, on May 31, 2013. Passengers were flying aboard a Boeing 757-200. See all the flights for UA271.
UAL271 (SFO-PDX)
This United Airlines flight traveled from San Francisco International Airport to Portland International Airport, on June 03, 2013. Passengers were flying aboard a Boeing 757-200. See all the flights for UA271.
UAL271 (SFO-PDX)
This United Airlines flight traveled from San Francisco International Airport to Portland International Airport, on May 30, 2013. Passengers were flying aboard a Boeing 757-200. See all the flights for UA271.
UAL271 (SFO-RNO)
This United Airlines flight traveled from San Francisco International Airport to Reno-Tahoe International Airport, on January 22, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA271.
UAL271 (SFO-RNO)
This United Airlines flight traveled from San Francisco International Airport to Reno-Tahoe International Airport, on January 15, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA271.
UAL271 (SFO-RNO)
This United Airlines flight traveled from San Francisco International Airport to Reno-Tahoe International Airport, on February 05, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA271.
UAL271 (SFO-RNO)
This United Airlines flight traveled from San Francisco International Airport to Reno-Tahoe International Airport, on January 29, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA271.
UAL271 (SFO-RNO)
This United Airlines flight traveled from San Francisco International Airport to Reno-Tahoe International Airport, on February 12, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA271.
UAL271 (SFO-RNO)
This United Airlines flight traveled from San Francisco International Airport to Reno-Tahoe International Airport, on January 08, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA271.
UAL271 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on June 20, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA271.

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".