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Demon at Six Flags Great America. Right now the queue is 35 minutes.
Busiest around 4pm (about 19 min) and quietest around 11am (about 1 min).
Closed during 18% 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 | 1 min | 7 readings | |
|---|---|---|---|
| 12pm | 4 min | 6 readings | |
| 1pm | 6 min | 9 readings | |
| 2pm | 14 min | 10 readings | |
| 3pm | 16 min | 8 readings | |
| 4pm | 19 min | 11 readings | |
| 5pm | 18 min | 14 readings | |
| 6pm | 11 min | 12 readings | |
| 7pm | 6 min | 10 readings | |
| 8pm | 1 min | 7 readings |
See every ride at Six Flags Great America live, or read the park’s history.