We are assigned a 1:30 check in time
However, If I remember correctly, if you are in a Suite (we are in a Sky Suite again) - we can check in when they first start the check-in process (about 11:00 or 11:30 ? - Correct ????
Our flight arrives at SEA-TAC at 10:00 - and we have Celebrity (bus) transfer service - so - hopefully, can check in "early"
Thanks