Sadly, AA is the airline that sees the opportunity. 3 MD80 flights (with MRTC) replacing some Eagle service...
http://biz.yahoo.com/prnews/031030/dath043_1.html
I know it's cruel to tease, but AA must be taking market share from CO in the CLE-ORD market. And their yields must be high enough to justify the bigger aircraft. Is this a sign that CO's strategy of frequent COEX flights from CLE could be failing?