Originally Posted by
ranp07
I have two business upgrades using TK certificates but I'm running for another *A FFP this year. Can I credit the original economy miles (in this case in V class) to another milleage program even though the M&S number is already in the new J booking? If the airline allows it, how can it be done, I ask to change the FFP number at the check-in counter? Thanks.
I’d try at check-in, rather than (probably) confusing the phone agent who processes your upgrade.