[JoanneSD]

I dont know but 128 air craft does not sound like very many planes, I would think there would be a lot more...

[Tunehead54]

Right now - kinda late - there's some 3000+ flights in the air across the US - 128 midday? 3 per state? Not even close.

Flightaware.Com

If you have quicktime this is a good animated graphic: Animation of all flight movements tracked by FlightAware during a typical 24-hour period.