RCCL excursions in Alaska - cut-off date to book online?

[Kellie in Texas]

We are 33 days out from Serenade sailing from Vancouver. There are a couple of RCCL excursions I want to book. I have a vague recollection that at some point, the excursions you see when you log into your cruise planner will show as unavailable, and then you have to wait and book them when you're on the ship.  Is that correct and if so, is it 30 days?  Or did I dream this up? 🙂 

[LadyShiva]

More like when the excursions sell out or when your online reservation moves to the ship about 72 hours out from sailaway.  🙂

[Biker19]

6 minutes ago, Kellie in Texas said:

Or did I dream this up? 🙂 

I don't think there's any set time/date when things in the planner show up or disappear (other than the planner lock down 2 days out).