Figured I'd circle back since I said I will, even though we all know the credits are posting for others who bought on 1/1. I bought on 1/2 and although the credit hasn't posted, the meter has moved. Strange how the language is different between the Plats and Aspire.

Congratulations, you’ve received $200 of your Airline Fee credit benefit this year!
Congratulations! You have earned all of your $250 Airline Fee Credit for this year.

Edit: 1/8 - all credits posted today.