Originally Posted by
Goldorak
Question for SQ expert, as I am not familiar with SQ rules : will I earn the miles for W or for J ? I am not a KrisFlyer member but a UA MileagePlus member (in case it makes a difference) ?
I answer my own question here, in case it is of interest for others : you earn the miles of your original booked class, not the ones of the upgraded class.