I have just under 10,000 miles in my MR account, and am about to earn some more. I noticed that my preference was still set to Continental (United & CO merged miles programs earlier this year). I changed to United, same FF#, and that seemed to work ok.
My question is, how/when do these miles get added to my airline miles account? Is it automatic? Did I choose a level at which they get sent over? Is it every quarter? I'm not a regular at Marriott, and so I can't remember how this has worked in the past. I also can't find this information anywhere on the MR site.