We bought the tickets on-site, and waited for nearly 45 minutes on a Sunday afternoon
I don't know how long it usually takes, but our family bought tickets ahead of time and we waited in line for an hour and a half.
The wait times can vary throughout the week. Even if you bought your tickets online you could up until hour.
Wow I got there 30 minutes after they opened and waited almost an hour just to get to the elevator, on a wendsday. The wait can be horrible at times, and yes you still have to wait if you buy your tickets online. Maybe shave a few minutes off waiting at the ticket counter.
The wait wasn't too bad. It was less than 5 mins for my family. Everyone is only allotted 1 min or so to take picture and view.
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