Flights for UA558 These are not all the flights that UA558 has taken, just some of them that have flown in or out of SFO

UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on July 31, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on August 07, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on July 19, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on August 16, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on August 18, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on August 21, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on August 15, 2011. Passengers were flying aboard a Boeing 757-200. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on April 27, 2007. Passengers were flying aboard a Boeing 737-300. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on April 26, 2007. Passengers were flying aboard a Boeing 737-300. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on May 06, 2007. Passengers were flying aboard a Boeing 737-500. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on April 30, 2007. Passengers were flying aboard a Boeing 737-300. See all the flights for UA558.
UAL558 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on May 08, 2007. Passengers were flying aboard a Boeing 737-500. See all the flights for UA558.

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".