A few reasons: the bases have fleshed out and schedules have stabilized so there are more options for commuters. Also, as the 700's for UAL have disappeared, there are many senior people who feel that the 200 and its schedules are beneath them so they're choosing the big comfy new plane. Finally, since SEA/LAX/SFO get DL benefits there is no loss for those making the switch on the west coast.

UAL and AK deliveries are done end of Q2, and those classes have pretty much already been awarded for that staffing. All that's left is DL. ORD got 22 awards with 14 posted on the DVR, which tells me they got an extra plane allotted instead of sending it west to DEN or the coast. Every credible rumor is that classes will slow way down after spring except for maybe a handful of small ones for attrition. With the exception of ORD I expect to see 175 CA go much more senior from here on out.