| 8:45 a.m. |
American Airlines Flight 11, Boston to Los Angeles with 92 people onboard, crashes into the north tower of the World Trade Center in New York City.
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| 9:03 a.m. |
United Airlines Flight 175, Boston to Los Angeles with 65 people onboard, flies into the south tower of the World Trade Center.
|
| 9:31 a.m. |
Speaking from Florida, President George Bush pledges the United States will hunt down the guilty parties.
|
| 9:40 a.m. |
American Flight 77, en route from Dulles Airport, Washington DC, to Los Angeles with 64 people onboard, crashes into the Pentagon.
|
| 9:48 a.m. |
The U.S. Capitol and the West Wing of the White House are evacuated.
|
| 9:49 a.m. |
The Federal Aviation Administration bans all aircraft takeoffs in the United States.
|
| 9:50 a.m. |
South tower of the World Trade Center collapses.
|
| 9:58 a.m. |
Emergency operator in Pennsylvania receives a call from a passenger on United Flight 93, Newark to San Francisco with 45 people onboard, stating the plane was being hijacked.
|
| 10:00 a.m. |
United Flight 93 crashes about 80 miles southeast of Pittsburgh.
|
| 10:29 a.m. |
North tower of the World Trade Center collapses.
|
| 11:00 a.m. |
New York City Mayor Rudolph Giuliani orders lower Manhattan evacuated.
|
| 11:40 a.m. |
With U.S. military on nuclear alert, Bush taken to Barksdale Air Force Base in Louisiana.
|
| 1:20 p.m. |
Bush boards Air Force One for Offutt Air Force Base in Nebraska, headquarters of the U.S. Strategic Air Command.
|
| 2:51 p.m. |
U.S. military deploys missile destroyers and other equipment in New York and Washington.
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| 5:20 p.m. |
Another World Trade Center building collapses.
|
| 7:00 p.m. |
Bush arrives in Washington.
|
| 8:31 p.m. |
Bush addresses the nation, vowing to punish "evil acts."
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