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
Hilton is the only way to get miles from UA to AA. You used to be able to go through Diners Club (losing 50% of the value, which is better than Hilton), but UA no longer allows transfers to DC.