Theme Park Wait Times / Six Flags Great America / Viper
Viper Wait Times
Roller Coaster · 48" minimum height · Six Flags Great America
Viper is open right now.
Live wait, plus a model forecast by day and hour for Viper at Six Flags Great America, built on 23,764 measured readings.
Best time to ride Viper
On a typical Monday, Viper runs about 0 min at rope drop, peaks near 31 min around 4 PM, and eases to 11 min by close. Across the week, Tuesday is the worst day (about 36 min at its midday peak) and Friday the calmest (about 18 min). Use the day and time controls above to check any day of the week.
Averaging 15 min, this is the #26 longest line of 34 tracked rides at Six Flags Great America (park average 22 min). The longest is Wrath of Rakshasa at 45 min.
Typical Viper wait by day
| Day | Rope Drop | Midday Peak | Late Night |
|---|---|---|---|
| Sunday | 2 min | 24 min 3 PM | 8 min |
| Monday | 0 min | 31 min 4 PM | 11 min |
| Tuesday · busiest | 0 min | 36 min 5 PM | 7 min |
| Wednesday | 0 min | 24 min 4 PM | 10 min |
| Thursday | 6 min | 19 min 12 PM | 6 min |
| Friday | 2 min | 18 min 4 PM | 7 min |
| Saturday | 7 min | 19 min 4 PM | 13 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 | 14.6 min | 13,599 |
Viper wait time FAQ
▾When is Viper shortest?
Viper is shortest at rope drop (about 0 min) and in the final hour of the night (about 11 min). Midday is the worst window, peaking near 31 min around 4 PM.
▾Which day is Viper busiest?
Tuesday runs the longest lines, peaking around 36 min midday, while Friday is the calmest at about 18 min. Use the day and time slider above to check any day.
▾What is the wait for Viper right now?
Viper is at 40 minutes right now, updated just now. Thoosie refreshes every minute.
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Reliability, measured
How often this ride was actually running, not how long the line was.
Across 660 hours that Six Flags Great America was open, Viper was running 92.32% of the time, with 60 separate interruptions. That ranks #24 for availability out of 44 tracked rides at Six Flags Great America, where the typical ride runs 92.17% of operating hours.
Measured 2026-05-23 to 2026-08-15 from ride status polled about every minute. Scheduled refurbishment is recorded separately and is not counted as an outage. How we measure
Based on 23,764 measured readings, updated continuously · How we measure
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