...and the $200 charge has posted. I canceled the hotel on 3/28, received a full refund (including the $200 FHR credit) on 3/30, and today, 4/5, the $200 was charged to the card. So at least in my case, it took around 5 business days. My statement cut off yesterday, so I suppose I get to "borrow" that $200 for one statement cycle