Flights for UA520 These are not all the flights that UA520 has taken, just some of them that have flown in or out of SFO

UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on July 20, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on July 31, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on July 23, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on July 21, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on July 04, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on August 16, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on August 10, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on August 09, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on August 18, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on August 19, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on August 22, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.
UAL520 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on August 25, 2011. Passengers were flying aboard a Boeing 767-300. See all the flights for UA520.

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".