Here are the destinations and overnights on the schedule as of January. Some of these are ending in January as well and I heard will restart seasonally.

-Austin AUS #
-Boston BOS #
-Charlotte CLT #
-Chicago MDW #
-Dallas DFW
-Fargo FAR #
-Green Bay GRB
-Lacrosse LSE #
-Madison MSN
-Manchester MHT
-Memphis MEM #
-Missoula MSO #
-Nashville BNA #
-Omaha OMA
-Pittsburgh PIT #
-Regina CA YQR #
-Saginaw MBS #
-Saskatoon CA YXE #
-Vancouver YVR

# = overnight on schedule during January bid

Hope that helps