Originally Posted by
flyerCO
As long as nothing happens on or after Feb 1 you get to keep what you've been given. Same goes for upgrades to FC. IF you get upgraded at the window for a flight first week of February you keep it. However if you then have IRROPS, schedule change, or pLane change, you'll then be reseated in Y.
Since OP would still be a medallion, I image that the agent would do what they can to maintain medallion upgrades that have already cleared.