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 experience is exactly opposite ... I can't remember the last time I wasn't upgraded, and I never bother to ask for it whether or not I get it. Locations I've rented from that I know I've been upgraded at automatically:
ORD
PWM
HSV
LGA
TPA
And I know there have been others I can't recall ...