Originally Posted by
Crampedin13A
I don't understand why someone resident in the U.S. wouldn't be in AA Advantage or another American airline FFP for domestic flight redemptions.

I can't speak for the others but when I rejoined BAEC I couldn't earn AA miles on BA TATL services. If I could I would have credited the miles to AA. Now I find myself slightly trapped, but I changed primary FF scheme in 2007(?), I'm darn sure I can do it again.