Ed-ji-cated guess? Can't fill 'em up?
Tomorrow's & Monday's are both wide open. Why should they put a plane on the route with 50% more seats?
DL 6040 CMH 1:29p → JFK 3:25p
Y9 B9 M9 S9 H9 Q9 K9 L9 U9 T9 X9 V9 E9
DL 4185 CMH 4:34p → JFK 6:29p
Y9 B9 M9 S9 H9 Q9 K9 L9 U9 T9 X9 V9 E9
From EF