Originally Posted by
emcampbe
I don’t think it’s possible anymore on UA, but in the past, and on some other carriers, it is possible to add 2 FFPs to a reservation, where one is for credit (ie, your earned mileage goes there) and one for benefits (ie, to take advantage of status).
Originally Posted by
Repooc17
CX is one of them. You can have different FF#s added for each segment without having to update mid trip.
As mention to the OP in their SDC question. Pre-merged UA had the two account ability, post merge it went to just a single account