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Parks
Six Flags Great America
Crowd calendar
10-19-2025
October 19, 2025
Six Flags Great America
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Crowd level
85%
Crowd level
Packed
Empty
Quiet
Busy
Packed
🤡👻🍺 11:00-22:00
Events
🤡 Kids Boo Fest
👻 Fright Fest
🍺 Oktoberfest