Food for thought
1. 9000 # flights are delta codeshares I believe, so you have to deal with their **** too
2. I was slumming it the other day on UsAir, and after 2 flights got cancelled the other day, the only nice thing about them I have to say is that thir computer will automatically re-route you all the way to your destination. it was doing it even when my connections fell below the 30 min conex rule. I think I must have been booked on 5 different flights that day before I finally got home, but thats another story!