Quote Originally Posted by flassher View Post
For seat availability try using:

http://www.flightstats.com/go/Flight...vailability.do

You have to register and sign in but it is free...

Cheers.
I just tried checking the accuracy of that site by plugging in identical DL flights on Delta.com and Travel-net. Flightstats.com was way off on some and on one major route did not even show an available direct flight that had lots of available seats. Sorry - Two big thumbs down on that site.