How Late Is My Flight?

This is an interesting site that predicts how late your flight will be...

http://delaycast.com/

Info from their site;

Use our on-time prediction engine to help you book your flights.  We’ve built mathematical models of the U.S. air transportation system to predict delays and cancellations.  If you need to make that meeting on time or are afraid of missing a connection, don’t book until you check out the predictions here!