September 11, 2001
- 8:46 a.m. ET - American Airlines Flight 11 (traveling from Boston to Los Angeles) strikes the north tower of the World Trade Center in New York City.
- 9:03 a.m. ET - United Airlines Flight 175 (traveling from Boston to Los Angeles) strikes the south tower of the World Trade Center in New York City.
- 9:37 a.m. ET - American Airlines Flight 77 (traveling from Dulles, Virginia, to Los Angeles) strikes the Pentagon Building in Washington.
- 9:59 a.m. ET - South tower of WTC collapses in approximately 10 seconds.
- 10:03 a.m. ET - United Airlines Flight 93 (traveling from Newark, New Jersey, to San Francisco) crashes in a field near Shanksville, Pennsylvania.
- 10:28 a.m. ET - North tower of WTC collapses. The time between the first attack and the collapse of both World Trade Center towers is 102 minutes.
