If they turn out to be a worst case scenario and not what actually happens, it will be a big let down as the majority of the season will consist of things that probably will not happen.
And yes I also believe that the flashforward of jack having his breakdown was way after the flashforward of him visiting hurly, Because at that point he finds the idea of going back strange. Later its all he can think about (hence the weekly flights)

I guess we will see, as more happen