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Demon at Six Flags Great America. Closed right now.
Busiest around 5pm (about 20 min) and quietest around 8pm (about 1 min).
Closed during 14% of the readings taken while the park was fully open. The feed does not say why, so that covers refurbishment and weather as well as breakdowns.
The longest queue we have recorded is 50 minutes on 2026-08-29, the shortest 0 minutes on 2026-08-10.
| 11am | 2 min | 6 readings | |
|---|---|---|---|
| 12pm | 4 min | 6 readings | |
| 1pm | 6 min | 9 readings | |
| 2pm | 14 min | 9 readings | |
| 3pm | 16 min | 8 readings | |
| 4pm | 19 min | 11 readings | |
| 5pm | 20 min | 13 readings | |
| 6pm | 12 min | 11 readings | |
| 7pm | 7 min | 9 readings | |
| 8pm | 1 min | 7 readings |
See every ride at Six Flags Great America live, or read the park’s history.