In the early hours of September 11 , they boarded a commuter flight back to Boston to connect to American Airlines Flight 11 . American 11 was hijacked 15 minutes after the flight departed by Omari and four other hijackers , which allowed trained pilot Mohamed Atta to crash the Boeing 767 into the North Tower of the World Trade Center as part of an attack that killed thousands of people
American Airlines Flight 11
American Airlines Flight 11
Abdulaziz al-Omari