Long, but the parks are open later so you can either go early or late.
And just an FYI, I think you'd get more responses to your posts if you put the actual question (or at least a word or two about your subject) in the heading.
Hi! We went last August, checked in on the 17th. It was crowded on the weekends but during the week it wasn't too bad. We used fastpass for the rides that had the longest wait.