Six Flags Great America Crowd Calendar

How busy each day runs — based on historical wait times, with weather and park hours.

Viewing

September 2026

Click a day to see ride waits, weather, and prior-year context.

Today
Tue
1
Crowd~0%
Predicted
20250%
20240%
Wed
2
Crowd~0%
Predicted
20220%
Thu
3
Crowd—
Fri
4
Crowd~42%
Predicted
202342%
Sat
5
Crowd~33%
Predicted
202530%
202433%
202344%
Sun
6
Crowd~59%
Predicted
202524%
202496%
202359%
Mon
7
Labor Day
Crowd~95%
Predicted
202595%
202495%
202336%
Tue
8
Crowd—
Wed
9
Crowd—
Thu
10
Crowd—
Fri
11
Crowd~51%
Predicted
202547%
202454%
Sat
12
Crowd~34%
Predicted
202587%
202430%
202321%
202237%
Sun
13
Crowd~26%
Predicted
202545%
202441%
20239%
202211%
Mon
14
Crowd~3%
Predicted
20250%
20240%
20237%
20226%
Tue
15
Crowd—
Wed
16
Crowd—
Thu
17
Crowd—
Fri
18
Crowd~55%
Predicted
202543%
202437%
202385%
202267%
Sat
19
Crowd~56%
Predicted
202554%
202458%
202381%
202232%
Sun
20
Crowd~22%
Predicted
202518%
202439%
202325%
202219%
Mon
21
Crowd~11%
Predicted
20250%
202312%
202211%
Tue
22
Crowd—
Wed
23
Crowd—
Thu
24
Crowd—
Fri
25
Crowd~59%
Predicted
202555%
202488%
202363%
202255%
Sat
26
Crowd~59%
Predicted
202562%
202456%
202370%
202243%
Sun
27
Crowd~48%
Predicted
202549%
202410%
202365%
202247%
Mon
28
Crowd~4%
Predicted
20250%
20240%
20238%
202212%
Tue
29
Crowd—
Wed
30
Crowd—
EmptyQuietLightModerateSteadyBusyVery busyPacked★ holiday · ~ predicted