Theme Park Wait Times / Six Flags Great America / Viper
Viper Wait Times
Roller Coaster · 48" minimum height · Six Flags Great America
Viper is not operating today.
Live wait, plus a model forecast by day and hour for Viper at Six Flags Great America, built on 7,341 measured readings.
Best time to ride Viper
On a typical Saturday, Viper runs about 11 min at rope drop, peaks near 42 min around 4 PM, and eases to 14 min by close. Across the week, Saturday is the worst day (about 42 min at its midday peak) and Friday the calmest (about 33 min). Use the day and time controls above to check any day of the week.
Averaging 11 min, this is the #26 longest line of 39 tracked rides at Six Flags Great America (park average 15 min). The longest is NEW! Blair Witch: No Signal at 33 min.
Typical Viper wait by day
| Day | Rope Drop | Midday Peak | Late Night |
|---|---|---|---|
| Sunday | 8 min | 41 min 4 PM | 12 min |
| Friday | 33 min | 33 min 5 PM | 12 min |
| Saturday · busiest | 11 min | 42 min 4 PM | 14 min |
Viper average wait by month
| Month | Avg Wait | Readings |
|---|---|---|
| June 2026 | 13.2 min | 3,755 |
| July 2026 | 10.3 min | 17,201 |
| August 2026 | 17.2 min | 18,870 |
| September 2026 | 10.5 min | 7,341 |
Viper wait time FAQ
▾When is Viper shortest?
Viper is shortest at rope drop (about 11 min) and in the final hour of the night (about 14 min). Midday is the worst window, peaking near 42 min around 4 PM.
▾Which day is Viper busiest?
Saturday runs the longest lines, peaking around 42 min midday, while Friday is the calmest at about 33 min. Use the day and time slider above to check any day.
▾What is the wait for Viper right now?
Viper isn't reporting a live wait right now. The park may be closed. This page updates automatically when lines go live.
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Reliability, measured
How often this ride was actually running, not how long the line was.
Across 814 hours that Six Flags Great America was open, Viper was running 92.26% of the time, with 75 separate interruptions. That ranks #23 for availability out of 44 tracked rides at Six Flags Great America, where the typical ride runs 92.26% of operating hours.
Measured 2026-05-23 to 2026-09-30 from ride status polled about every minute. Scheduled refurbishment is recorded separately and is not counted as an outage. How we measure
Based on 7,341 measured readings, updated continuously · How we measure
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