Flights for UA581 These are not all the flights that UA581 has taken, just some of them that have flown in or out of SFO

UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on March 24, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on February 28, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on March 15, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on April 04, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on March 07, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on March 22, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on April 03, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on April 02, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on March 10, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA581.
UAL581 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on February 25, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA581.

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".