Originally Posted by
sbm12
I'm pretty sure that Y-Ups do show on the PDA list but am certain that REVUPs to/from HNL do not.
Y-Ups do show up on PDA site as upgrades, I fly them weekly and my name is always there.
It's possible that one purchases what they believe is a Y fare, but really ends up in R. I've seen this happen a number of times when booking thru Amex travel for work. So, perhaps he thought he bought a coach fare but was really in the pointy-end.