On the morning of September 11 , 2001 , passengers board United Airlines Flight 93 , bound for San Francisco , at Newark Liberty International Airport , including Tom Burnett , Mark Bingham , Todd Beamer , Jeremy Glick , Richard Guadagno , Louis J. Nacke , II , William Joseph Cashman and Patrick Joseph Driscoll . Four al-Qaeda terrorists ( Ziad Jarrah , Saeed al-Ghamdi , Ahmed al-Nami , and Ahmed al-Haznawi ) also board the flight
United Airlines Flight 93
United Airlines Flight 93
United 93 (film)