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Viper at Six Flags Great America. Closed right now.
Busiest around 4pm (about 34 min) and quietest around 11am (about 6 min).
Of the days recorded so far, Monday averages the longest queue, at about 36 minutes.
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 90 minutes on 2026-10-24, the shortest 0 minutes on 2026-08-14.
| 11am | 6 min | 10 readings | |
|---|---|---|---|
| 12pm | 10 min | 14 readings | |
| 1pm | 17 min | 18 readings | |
| 2pm | 23 min | 24 readings | |
| 3pm | 25 min | 20 readings | |
| 4pm | 34 min | 22 readings | |
| 5pm | 22 min | 28 readings | |
| 6pm | 17 min | 31 readings | |
| 7pm | 25 min | 24 readings | |
| 8pm | 22 min | 16 readings | |
| 9pm | 19 min | 18 readings |
See every ride at Six Flags Great America live, or read the park’s history.