Originally Posted by
GoPUBoilers
Just to let you know, my upgrade actually cleared today! Recap:
CO Sliver Elite
Booked in V class DEN-IAH on CO 498 on a 753 (2:30 PM departure)
Was not very hopeful of an upgrade based on the comments above, but was the 3rd to last person to get a seat in F...very cool!

^
The 753 flights are the one of the few flights I was able to get an upgrade on as a Silver out of DEN.
Somehow I scored upgrades on 735s a few times as well.