Originally Posted by
TOGAANG
You can reserve it 7 days out but someone senior can bump you up until 5 days out. Once inside of 5 days it is yours and no one senior can take it. It's great if you are junior but bad if you are senior. Just plan ahead and reserve it early and give yourself at least two commutes to get there.
I asked a Jumpseat committee guy about this. It is 100% FCFS.
Supposed to change to a hybrid model at some point in the future. That will have a couple of days seniority based before reverting to FCFS.