From an Charlotte Business Journal article:
A new Web site allows travelers to get real-time locations of all commercial and most private aircraft on the U.S. air traffic control system…The site also gives information on weather and its effect on flight status, airport statistics and other information available from the Federal Aviation Administration.
Track and Map By:
+ Aircraft Tail Number
+ Airport
+ Flight Number
Direct to HelloFlight.com
See Also: FlightAware.com
See Also: FlightStats.com
