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Viper at Six Flags Great America. Right now the queue is 30 minutes.
Busiest around 4pm (about 27 min) and quietest around 11am (about 4 min).
Closed during 6% 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 60 minutes on 2026-08-17, the shortest 0 minutes on 2026-08-14.
| 11am | 4 min | 8 readings | |
|---|---|---|---|
| 12pm | 11 min | 9 readings | |
| 1pm | 13 min | 14 readings | |
| 2pm | 21 min | 17 readings | |
| 3pm | 22 min | 16 readings | |
| 4pm | 27 min | 16 readings | |
| 5pm | 23 min | 17 readings | |
| 6pm | 14 min | 20 readings | |
| 7pm | 22 min | 16 readings | |
| 8pm | 18 min | 10 readings | |
| 9pm | 15 min | 10 readings |
See every ride at Six Flags Great America live, or read the park’s history.