WASHINGTON | Here is a time sequence of Tuesday’s events:
7:58 a.m. EDT — United Airlines flight 175 departs Boston for Los Angeles, carrying 56 passengers, two pilots and seven flight attendants. The Boeing 767 is hijacked after takeoff and apparently diverted to New York.
7:59 a.m. — American Airlines flight 11 departs Boston for Los Angeles, carrying 81 passengers, two pilots and nine flight attendants. This Boeing 767 also is hijacked and apparently diverted to New York.
8:01 a.m. — United Airlines flight 93, a Boeing 757 carrying 38 passengers, two pilots and five flight attendants, leaves Newark, N.J., for San Francisco.
8:10 a.m. — American Airlines flight 77 departs Washington’s Dulles International Airport for Los Angeles, carrying 58 passengers, two pilots and four flight attendants. The Boeing 757 is hijacked after takeoff.
8:45 a.m. — American flight 11 from Boston crashes into the North Tower at the World Trade Center in lower Manhattan.
9:03 a.m. — United flight 175 from Boston crashes into the South Tower at the World Trade Center
9:05 a.m. — President Bush, reading to children in a classroom in Sarasota, Fla., is informed of the first crash by White House Chief of Staff Andrew Card.
9:18 a.m. — Federal Aviation Administration shuts down all New York-area airports
9:20 a.m. — Bush, still in Sarasota, makes a statement promising to hunt down those responsible for the attack.
9:21 a.m. — Bridges and tunnels leading into New York City are closed.
9:25 a.m. — All domestic air flights are grounded by Federal Aviation Administration.
9:45 a.m. — A third plane, presumably American flight 77, crashes into the Pentagon.
9:58 a.m. — A passenger locked in a bathroom on United flight 93 uses a cell phone to report a hijacking under way over Pennsylvania.
10 a.m. — The South Tower at the World Trade Center collapses.
10:05 a.m. — The White House is evacuated.
10:10 a.m. — A large section of one side of the Pentagon collapses.
10:10 a.m. — United flight 93 crashes into a wooded area in Somerset County, Pa., 80 miles southeast of Pittsburgh and 85 miles northwest of Camp David, the presidential retreat in Maryland.
10:25 a.m. — Incoming transatlantic flights are diverted to Canada.
10:29 a.m.— The North Tower at the World Trade Center collapses.
Midmorning — The Capitol, the Supreme Court, the Pentagon, the CIA, the Treasury, the State Department and other government buildings are evacuated. Other national landmarks also close, including the United Nations building in New York, Chicago’s Sears Tower, Disney World in Orlando, Fla., and NASA’s Kennedy Space Center.
11:18 a.m. — American Airlines confirms that two of its planes are missing.
11:59 a.m. — United Airlines confirms that two of its planes have crashed.
Noon — The president arrives aboard Air Force One at Barksdale Air Force Base near Shreveport, La. The first lady was taken to an undisclosed bunker near Washington. The vice president and National Security Adviser Condoleezza Rice go to a secure place in the White House.
Noon — U.S. borders with Canada and Mexico are partially closed.
1 p.m. — Bush goes on television in Louisiana and vows to punish the attackers.
1:30 p.m. — Air Force One leaves Barksdale AFB, taking the president to Offutt Air Force Base in Nebraska for a teleconference with his National Security Council.
3 p.m. — Bush arrives at Offutt AFB.
6:56 p.m. — Bush returns to Washington to address the nation at 9 p.m. from the White House.