Flights for UA338 These are not all the flights that UA338 has taken, just some of them that have flown in or out of SFO

UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on April 04, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on April 05, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on April 30, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on April 12, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on April 25, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 29, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 10, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 31, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 14, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 27, 2011. Passengers were flying aboard a Boeing 777-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on May 12, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA338.
UAL338 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on April 22, 2011. Passengers were flying aboard a Boeing 777-200. See all the flights for UA338.

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".