Originally Posted by
jragosta
For example, if 18% of all AA seats are J or F, then that would mean that 20% of the people sitting in J or F are using upgrade awards (this presumably does not include VIP or Elite upgrades - only mileage upgrades).
The math there is off -- .9% is not one fifth of 18%
There is a difference between 20% and 1/20th, please note.
Also there's no reason to think "upgrade awards" doesn't include VIPs. I think that's exactly the kind of thing that would include.