It depends on what time of the year & week you will be dining.
As with all WDW restaurants, if you are going during a heavily traveled period--say Thanksgiving or Christmas etc--you may have to wait.
If it's on a Friday or Saturday, also figure in a wait.
also, if there is 'free' dining during yr vacay, the eateries tend to be crowded, especially at a popular time as 5 pm for dinner.
Will you have yr own car? You need to figure in transportion time.
If you're me, you'll stroll up just as yr bus pulls away from the curb!
Then you'll need to figure in another 20 minutes.
Hope this helps and enjoy a Magical vacation!
Jean