Flight Routes from Int'l Airports to United States

I’m one of those that use Flight Aware to get real world flight routes for use in Flight Simulator X. After a six month hiatus, I noticed that there do not seem to be complete flight routes for international departures into the United States anymore (example: EGLL > KATL). The route line seems to start once in US airspace… but the flight plan on the map seems to show the full flight plan (ie: NATs).

Were the full routes simply removed for some reason? What can I do to be able to see the entire route?

Thanks in advance!

David

http://flightaware.com/live/flight/DAL39/history/20130207/0845Z/EGLL/KATL