Originally Posted by
GoLutes10
The airport employees will not honor an upgrade unless you're flying with your Alaska mileage number. (The upgrade fee is only waived in our system when a MVPG number is assigned) But I would suggest to maybe call the Gold line once your reservation is made to see if they can make an exception.
If the upgrade clears before check-in, can you change your FF# during check-in?
Although I don't know why you'd want to accrue miles to a DL account as an MVPG, since MVPGs already get double miles for all DL & AS flights. Unless you were trying for DL status as well.