Originally Posted by
FlytheTail
For what it's worth, when I was simultaneously Exec Plat on AA and 1K on UA (for 3 years IIRC), I had a much higher domestic/complimentary upgrade percentage on AA than UA. I sense that's still the case based on input from others.
It is in my case as well. I also have a higher complimentary upgrade percentage on AS than UA, thanks to the AA/AS partnership.