A FlyerTalk Posting Legend
Join Date: Jul 2002
Location: MCI
Programs: AA Gold 1MM, AS MVP, UA Silver, WN A-List, Marriott LT Titanium, HH Diamond
Posts: 52,575
Surprising, since I assumed the presence of the charge on your Citi card was the trigger for the credit.
I have no incentive to try it on my upcoming stay (it's not a brand where I hold their credit card), but it is indeed interesting if it's a reliable pattern.