Flights for UA498 These are not all the flights that UA498 has taken, just some of them that have flown in or out of SFO

UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on August 29, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 01, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 12, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 15, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 05, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 08, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 23, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 26, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 16, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 30, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 06, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.
UAL498 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on September 19, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA498.

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".