I have used this site frequently to check arrival flights to JFK, Newark and La Guardia airports. Very easy to use and the information is most of the time very accurate. There is a map of all US airports and many oversea airports. So it is not limited to the TriSate area only.
There are many similar sites out there. Another one is: www.flightview.com
I have been using this to get updates on flight during the holiday season and it is a very useful website. One to bookmark for sure
Track real-time flight status, departures and arrivals, airport delays, and airport information using FlightStats Global Flight Tracker.
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