My family is taking our first trip 5/8-5/12. I've been toiling over FP+ selections and think I have the system figured out based upon the advice I've found here. One day of our trip kind of has a tight schedule because we are taking our DDs to BBB Downtown Disney, it was the only day of the trip we could make a reservation. How much time should I allow between arrival windows. For example, I have Space Mountin scheduled to arrive between 11:05-12:05, what would be an appropriate window to schedule the next ride? Basically how much time should I allot to wait in line and ride after arriving.