NORAD'S Response Times, Sept. 11, 2001
PETERSON AFB, Colo. --The following timelines show NORAD's response to the airliner hijackings on September 11, 2001.
* All times are Eastern Daylight Time; NEADS = North East Air Defense Sector, NORAD
** Scramble = Order to get an aircraft airborne as soon as possible
***Estimated = loss of radar contact
**** Flight times are calculated at 9 miles per minute or .9 Mach
***** The FAA and NEADS established a line of open communication discussing AA Flt 77 and UA Flt 93
American Airlines Flight 11 - Boston enroute to Los Angeles
FAA Notification to NEADS 0840*
Fighter Scramble Order (Otis Air National Guard Base, Falmouth, Mass. Two F-15s) 0846**
Fighters Airborne 0852
Airline Impact Time (World Trade Center 1) 0846 (estimated)***
Fighter Time/Distance from Airline Impact Location Aircraft not airborne/153 miles
United Airlines Flight 175 - Boston enroute to Los Angeles
FAA Notification to NEADS 0843
Fighter Scramble Order (Otis ANGB, Falmouth, Mass. Same 2 F-15s as Flight 11) 0846
Fighters Airborne 0852
Airline Impact Time (World Trade Center 2) 0902 (estimated)
Fighter Time/Distance from Airline Impact Location approx 8 min****/71 miles
American Flight 77 - Dulles enroute to Los Angeles
FAA Notification to NEADS 0924
Fighter Scramble: Order (Langley AFB, Hampton, Va. 2 F-16s) 0924
Fighters Airborne 0930
Airline Impact Time (Pentagon) 0937(estimated)
Fighter Time/Distance from Airline Impact Location approx 12 min/105 miles
United Flight 93 - Newark to San Francisco
FAA Notification to NEADS N/A *****
Fighter Scramble: Order (Langley F-16s already airborne for AA Flt 77)
Fighters Airborne (Langley F-16 CAP remains in place to protect DC)
Airline Impact Time (Pennsylvania) 1003 (estimated)
Fighter Time/Distance from Airline Impact Location approx 11 min/100 miles
(from DC F-16 CAP)