Flights for UA521 These are not all the flights that UA521 has taken, just some of them that have flown in or out of SFO
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on March 11, 2012.
Passengers were flying aboard an Airbus A319.
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This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on February 28, 2013.
Passengers were flying aboard a Boeing 757-200.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on September 14, 2006.
Passengers were flying aboard a Boeing 737-300.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on September 28, 2006.
Passengers were flying aboard a Boeing 737-500.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on September 10, 2006.
Passengers were flying aboard a Boeing 737-300.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on October 02, 2006.
Passengers were flying aboard a Boeing 737-500.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on September 15, 2006.
Passengers were flying aboard a Boeing 737-500.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on September 18, 2006.
Passengers were flying aboard a Boeing 737-500.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on September 09, 2006.
Passengers were flying aboard a Boeing 737-300.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on October 17, 2006.
Passengers were flying aboard a Boeing 737-500.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on October 19, 2006.
Passengers were flying aboard a Boeing 737-500.
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This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on October 07, 2006.
Passengers were flying aboard a Boeing 737-300.
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