Flights for UA1661 These are not all the flights that UA1661 has taken, just some of them that have flown in or out of SFO

UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on December 21, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on December 18, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on February 21, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on February 06, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on April 04, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on April 29, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on May 13, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on May 17, 2007. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SJD)
This United Airlines flight traveled from San Francisco International Airport to Los Cabos International Airport, on January 01, 2009. Passengers were flying aboard an Airbus A320-200. See all the flights for UA1661.
UAL1661 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on February 26, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for UA1661.
UAL1661 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on February 28, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for UA1661.

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".