ROC-EWR
737-900
First is booked 2/20
R9, I9, IN9, PN9, every other fare class = 9 and has for the last week.

Check-In T-22
PCU offer at check-in on mobile app $59

No CPU's have been processed within the 96 hour window. I've never seen a flight this empty and yet upgrades are held back this late.