Originally Posted by
m60521
So, it appears that the ticketing is managed solely by SA. I checked in at their gate with my MP card, and the boarding pass printed with my UA MP number and a bolded insignia, UA*G.
At this point I will assume that the miles will post to UA. If they don't then I will send them my boarding pass.
Now the only question is, will I get my AA miles too.

Good deal! That SAA handled it all makes it almost certain that your MP account will be credited, but why would you expect to also get AA miles?