Originally Posted by
ethernal
Right or wrong ORD is a low yield blood bath between AA/UA and WN at MDW... Delta avoids it wherever it can.
Yeah BOS-ORD, like ORD-LAX would require 4-5x daily to work, and even then DL would be fighting for scraps. There are better places for DL to use that mainline equipment, and that's why those routes won't happen.