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Parks
Six Flags Great America
Crowd calendar
2025-09-27
September 27, 2025
Six Flags Great America
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Information
Crowd level
61%
Crowd level
Busy
Empty
Quiet
Busy
Packed
π»πΊπ€‘ 11:00-23:00
Events
π» Fright Fest
πΊ Oktoberfest
π€‘ Kids Boo Fest