Originally Posted by
Yellowjj
It's actually predictable. RUC/GUCs don't consider C+ as a separate class, therefore will do nothing for that list. The fact that you were organically on the FC list down in the teens, means that's how many Diamonds had higher fare classes than you (which isn't hard on a L fare). What the RUC did was push you ahead of complimentary upgrades and in your specific case it appears no other medallion was using a upgrade certificate on ATL-PBI and you went to #1 on the list. The system worked how it was intended to work.
I’m well aware of that, I know how RUC’s work, I was pointing out that when RUC’s involved, the First and Comfort+ lists won’t always match up which is a result of what you said.