Perhaps not exactly the right thread, but it seems to be relevant here. Wife and I have separate PNRs for an upcoming trip. Both EXP, with me having about 50K more 12 month rolling LPs than her. I always thought if AA linked our PNRs, and there was only one seat left for upgrade, we would BOTH be passed over. But today I was told the reservations could be linked, with a specification to allow for a split. This allows her to be placed higher on the upgrade list through my LP count. But if only one seat remains, we would be split, and I would still get the upgrade. I was unaware of this. (And hopefully it is correct information)