Originally Posted by
NYC_747
I've been a bad boy... I was snooping around the galley and reading the final while waiting while lavatory was occupied. The upgrade priority order was one plat, the one silver then 4 pres plats. I thought PresPlats always have the highest priority. Is that because the silver passenger may have bought full Y?
I believe so, yes. My understanding of the current hierarchy is that Y/B-ups process before EUAs of lower fare buckets.