She opens up at the appointed time, not a second sooner. If you are talking to her before the time the ship opens you cannot get on. Wait until the hour turns and a ! will pop up on her head, which you can still plainly see even if a hundred people are all crammed in there. That is when you can board the ship, not before. They need to change that too-early message to something else because it seems it is really confusing a lot of people into thinking they can't do the content because it's full. It's never full.
