Six Flags Great America crowd calendar
Six Flags Great America is typically quiet in August, averaging 30% of a peak day. The quietest day is Sat 1 Aug at 5%, and the busiest is Mon 17 Aug at 74%.
Best day left in August
August 2026 is typically quiet at Six Flags Great America, averaging 30% of a peak day. The busiest is Monday 17 Aug at 74%.
Six Flags Great America is quiet today, at around 33% crowd levels, and moderately busy tomorrow. This weekend is looking moderately busy. Six Flags Great America is typically quiet in August 2026, averaging around 30% crowd levels. The quietest day to visit is predicted to be Saturday 1st (about 5%), while the busiest is Monday 17th (about 74%). Weekdays are noticeably quieter than weekends, so a midweek visit means shorter queues.
This crowd calendar predicts daily crowd levels for Six Flags Great America through 2026. The lower the score, the shorter the queues, so pick a quiet day and ride more.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 15%Quiet | 270%Busy | |||||
| 349%Avg | 439%Calm | 55%Quiet | 629%Calm | 731%Calm | 858%Avg | 939%Calm |
| 1022%Calm | 116%Quiet | 1216%Quiet | 137%Quiet | 1435%Calm | 155%Quiet | 1629%Calm |
| 1774%Busy | 1822%Calm | 1919%Quiet | 2025%Calm | 2133%*Calm | 2245%*AvgEst. | 2336%*CalmEst. |
| 2427%*CalmEst. | 2522%*CalmEst. | 2617%*QuietEst. | 2723%*CalmEst. | 2834%*CalmEst. | 2946%*AvgEst. | 3037%*CalmEst. |
| 3128%*CalmEst. |
- Sat1Summer5%Quiet
- Sun2Summer70%Busy
- Mon3Summer49%Avg
- Tue4Summer39%Calm
- Wed5Summer5%Quiet
- Thu6Summer29%Calm
- Fri7Summer31%Calm
- Sat8Summer58%Avg
- Sun9Summer39%Calm
- Mon10Summer22%Calm
- Tue11Summer6%Quiet
- Wed12Summer16%Quiet
- Thu13Summer7%Quiet
- Fri14Summer35%Calm
- Sat15Summer5%Quiet
- Sun16Summer29%Calm
- Mon17Summer74%Busy
- Tue18Summer22%Calm
- Wed19Summer19%Quiet
- Thu20Summer25%Calm
- Fri21Summer33%*Calm
- Sat22Summer45%*Est.Avg
- Sun23Summer36%*Est.Calm
- Mon24Summer27%*Est.Calm
- Tue25Summer22%*Est.Calm
- Wed26Summer17%*Est.Quiet
- Thu27Summer23%*Est.Calm
- Fri28Summer34%*Est.Calm
- Sat29Summer46%*Est.Avg
- Sun30Summer37%*Est.Calm
- Mon31Summer28%*Est.Calm
Crowd levels are modelled from this park's own recorded queue times, school and public holidays, day of the week and the weather forecast, and may not always be right. Opening hours come from the park and can change. Always check the park's own site before travelling. We score every past forecast against what the queues actually did and publish the result in the crowd forecast accuracy ledger.
Frequently asked
How busy is Six Flags Great America today?
Six Flags Great America is predicted to be quiet today, at around 33% crowd levels. Lower percentages mean shorter queues.
How busy will Six Flags Great America be tomorrow?
Six Flags Great America is predicted to be moderately busy tomorrow, at around 45% crowd levels.
Is Six Flags Great America busy this weekend?
This weekend Six Flags Great America is looking moderately busy, at around 41% crowd levels on average.
When is the quietest day to visit Six Flags Great America in August 2026?
Saturday 1st is predicted to be the quietest day to visit Six Flags Great America in August 2026, at around 5% crowd levels.
When is Six Flags Great America busiest in August 2026?
Monday 17th is predicted to be the busiest day at Six Flags Great America in August 2026, at around 74% crowd levels.
How busy is Six Flags Great America in August 2026?
On average, Six Flags Great America is quiet in August 2026 - around 30% crowd levels. Weekdays are usually quieter than weekends.
Is Six Flags Great America busier on weekends?
Yes - Six Flags Great America is typically busier at weekends than midweek in August 2026. Visit on a weekday for shorter queues.
What is the best time to visit Six Flags Great America?
The best time to visit Six Flags Great America is on its quietest predicted days - Saturday 1st is the quietest in August 2026 (about 5%). Arriving at opening also means the shortest waits.