United Flight 175 takes off from Logan Airport, fourteen minutes behind its scheduled departure time.

Fifty-one passengers, nine crew members, and five hijackers board Los Angeles-bound Flight 175. Al Qaeda terrorists hijack the plane at approximately 8:45am, and reroute it towards Manhattan.1

Flight 175 Manifest2
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1 "Flight 175 Takes Off" National September 11 Memorial & Museum n.d. Web. March 16, 2011
2 "Passenger Lists" United States v. Zacarias Moussaoui, Criminal No. 01-455-A, Prosecution Trial Exhibits Web. n.d. April 27, 2011
Courtesy of the National 9/11 Memorial and Museum