The second part covers the unfolding events of September 11 , 2001 . It opens with the 5:43 a.m. check-in of two Flight 11 hijackers at Portland International Jetport . It explores the following events : impacts of Flight 11 into the World Trade Center at 8:46 a.m. , Flight 175 into World Trade Center 2 at 9:03 a.m. , Flight 77 into the Pentagon at 9:37 a.m. and United 93 in Stonycreek Township , Pennsylvania at 10:03 a.m. ; the collapse of World Trade Center 2 at 9:59 a.m. , the collapse of the Pentagon 's E-ring at 10:15 a.m. , and the World Trade Center 's collapse at 10:28 a.m. — it however , fails to mention the collapse of World Trade Center 7 at 5:20 p.m . It also briefly explores attacks taking place after 9/11
Flight 11
American Airlines Flight 11
Inside 9/11