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Parks
Six Flags Great America
Crowd calendar
2026-09-26
September 26, 2026
Six Flags Great America
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Information
Crowd level
59%
Crowd level
Busy
Empty
Quiet
Busy
Packed
🍺 11:00-23:00
Events
🍺 Oktoberfest
Coaster Challenge with Special Olympics Illinois
Fright Fest presented by SINCKERS