Join Date: Dec 2003
Location: Benicia, California, USA
Programs: AA PLT,AS,UA PLAT,PP,J6,FB,EY,LH,SQ,HH Gld,Hyatt Disc,Marriott Plat,IHG Plat
Posts: 11,007
I fully agree with rshhino that AA is generally better than UA re upgrades. But that's a different matter than the OP's question. From what I've read, both are much better than Delta re award seats, but I haven't flown Delta so can't speak from experience.