Originally Posted by
thefiverivers
I have a GPU applied on the NRT-SFO route, however the agent was unable to apply it to the rest of the trip because he said he would have to remove it and then reapply it again to cover the last two legs and possibly sacrifice the already confirmed upgrade.
It could have been done, but the M fare instant upgrade has higher priority, so agent inadvertently did you a favor.
Originally Posted by
thefiverivers
Do I just need to keep monitoring and call to confirm the upgrade once PN becomes available?
Yes, exactly. SFO-ORD is pretty tough though.