Timeline of key events on 9/11
The following is a timeline of key events as they transpired on September 11, 2001. For ongoing memorial coverage of the seventh anniversary of 9/11, please see our Featured Coverage.
As the world marks the seventh anniversary of the attack on the twin towers, we look back at the key events of that day .
7.58 - United Airlines Flight 175 to Los Angeles leaves Boston's Logan Airport with 65 people on board, including five suspected hijackers.
8.01 - United Airlines Flight 93 to San Francisco leaves Newark Airport in New Jersey with 45 people on board, including four suspected hijackers.
8.02 - American Airlines Flight 11 to Los Angeles leaves Boston's Logan Airport with 92 people and five suspected hijackers on board.
8. 10 - American Airlines Flight 77 to Los Angeles leaves Washington DC's Dulles Airport with 64 people on board, including five suspected hijackers.
8.28 - An air traffic controller hears one of the hijackers speaking from the cockpit of Flight 11, saying: "Don't do anything foolish. You are not going to get hurt. We have other planes."
l 8.43 - Two F-15 fighters take off after authorities confirm that Flight 175 has also been hijacked.
l 8.46 - Flight 11 crashes into the north tower of the World Trade Center.
9.03 - Flight 175 crashes into the south tower of the World Trade Center.
9.10 - President George Bush is told of the attacks. He had been reading to children in a classroom.
9.29 - Eyewitnesses report seeing people jumping from the Twin Towers.
9.40 - Flight 77 crashes into the Pentagon in Washington DC, causing the collapse of a five-storey section of the building and killing 190 people inside.
9.58 - A passenger from Flight 93 makes an emergency call saying: "We are being hijacked!"
10.03 - Flight 93 crashes 80 miles south east of Pittsburgh, Pennsylvania. Its intended target was believed to be Washington.
10.05 - The south tower collapses, 62 minutes after being hit.
10.29 - The north tower collapses. The death toll was feared to be as high as 20,000 but gradually dropped to about 2,800.