Events (13)

• August 30, 2001: United Airlines Holds a Surprise Exercise in Which Employees Are Led to Believe a Plane Has Crashed 2001-08-30
• (10:00 a.m.) September 11, 2001: United Airlines Loses Contact with Three Flights 2001-09-11
• 10:17 a.m. September 11, 2001: United Airlines Informs Employees of Flight 93 Crash 2001-09-11
• 10:55 a.m.-11:15 a.m. September 11, 2001: Nine United Airlines Planes Reported as Missing 2001-09-11
• Shortly Before 9:00 a.m. September 11, 2001: United Airlines Learns about Flight 175 Hijacking 2001-09-11
• (9:00 a.m.) September 11, 2001: United Airlines Chief Assures Employees that Crisis Is ‘Not a Drill’ 2001-09-11
• (9:00 a.m.) September 11, 2001: United Airlines Activates Its Crisis Center 2001-09-11
• (9:00 a.m.-12:00 p.m.) September 11, 2001: United Airlines Receives Many False Reports of Threats 2001-09-11
• (9:20 a.m.) September 11, 2001: United Airlines Orders No New Takeoffs, at Least for International Flights 2001-09-11
• 9:22 a.m. September 11, 2001: United Airlines Manager Issues Advisory Stating Flight 175 Was in Accident 2001-09-11
• (9:45 a.m.) September 11, 2001: United Airlines Orders Its Flights to Land 2001-09-11
• 9:32 a.m.-9:33 a.m. September 11, 2001: Airline Dispatcher Warns Flights, Including United 93, to Secure Cockpits 2001-09-11
• (9:50 a.m.-10:15 a.m.) September 11, 2001: United Airlines Manager Works on a Plan to Land Flight 93 2001-09-11