I've heard the United Express flying rumor for a while now. Apparently UAL is pretty fed up with the Mesa operation. ExpressJet will be doing some UAL Express flying and picking up some slack for Mesa out of IAD and ORD. With all the cuts in DL flying, picking up some flying for another carrier is exactly what Comair could use right now. I would mind seeing some UAL Express CRJ-700s with the operated by Comair logo on it