At 7:35 a.m. on September 11 , 2001 , Hanjour arrived at the passenger security checkpoint at Washington Dulles International Airport , west of Washington , D.C. , en route to board American Airlines Flight 77 . Some earlier reports stated he may not have had a ticket or appeared on any manifest , however he was documented by the 9/11 Commission as having been assigned to seat 1B in first class , and reported to have bought a single first-class ticket from Advance Travel Service in Totowa . In the security tape footage released in 2004 , Hanjour appears to walk through the metal detector without setting it off
American Airlines Flight 77
American Airlines Flight 77
Hani Hanjour