Original Member and FlyerTalk Evangelist
Join Date: May 1998
Location: Kansas City, MO, USA
Programs: DL PM/MM, AA ExPlat, Hyatt Glob, HH Dia, National ECE, Hertz PC
Posts: 16,619
My "rolling average" upgrade rate with Select has always been at least 50%, and recently it's 100%, I always get the one-class upgrade, including the one time I reserved a Premium and got upgraded to a Cadillac, but usually I reserve the full-size and get a Premium.