Haznawi and Ghamdi boarded the aircraft at 07:39 and sat in first class seats 6B and 3D respectively . Nami boarded one minute later and sat in first class seat 3C . Ziad Jarrah called his girlfriend , Aysel Sengün , from a public telephone at the airport , repeating the words ' I love you ' over and over . He boarded at 07:48 and sat in seat 1B . The aircraft was scheduled to depart at 08:00 and pushed back from gate A17 at 08:01 . It remained delayed on the ground until 08:42 because of heavy airport congestion . The three other hijacked flights all departed within fifteen minutes of their scheduled times . By the time Flight 93 became airborne , Flight 11 was four minutes away from hitting the North Tower and Flight 175 was being hijacked ; Flight 77 was climbing normally and was nine minutes away from being hijacked . By 09:02 , one minute before Flight 175 hit the South Tower , Flight 93 reached its cruising altitude of
Flight 11
American Airlines Flight 11
United Airlines Flight 93