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Six Flags Great America Memorial Day weekend 2027

29 to 31 May 20273 open days forecastUnited States

Six Flags Great America is forecast busy over Memorial Day weekend, averaging 73%. Quietest on Sunday 30 May at 66%, busiest on Monday 31 May at 80%.

Quietest day of Memorial Day weekend

Sunday 30 May

The quietest day Six Flags Great America is open during Memorial Day weekend, forecast at 66% against a break average of 73%.

66%crowds
Next bestSat 29 May 73%Mon 31 May 80%

29 to 31 May 2027, with the weekends either side. Six Flags Great America runs busy across the break at 73% on a typical day. The figure is the forecast queue level against the park's own busiest days: 100% is its peak, under 30% is a quiet day.

Memorial Day is Monday 31 May 2027, the traditional start of the summer season.

Six Flags Great America day by day, Memorial Day weekend

  1. Sat 29 May73%busy, about 31 min queues
  2. Sun 30 May66%busy, about 29 min queues
  3. Mon 31 May80%busy, about 32 min queues
Quietest 0-15%Quieter 15-35%Typical 35-65%Busier 65-88%Busiest 88-100%

Six Flags Great America has not published its hours for these dates yet, so every day is shown; check the park's site before you go. Crowd levels are modelled from this park's own recorded queue times, school and public holidays, day of the week and the weather forecast, and may not always be right. We score every past forecast against what the queues actually did and publish the result in the crowd forecast accuracy ledger.

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Frequently asked

How busy is Six Flags Great America during Memorial Day weekend 2027?

Busy: a typical day of the break is forecast at 73% crowd level, against the park's own busiest days at 100%.

What is the quietest day at Six Flags Great America over Memorial Day weekend?

Sunday 30 May, forecast at 66%. The next quietest are Sat 29 May at 73%, Mon 31 May at 80%.

What is the busiest day at Six Flags Great America over Memorial Day weekend?

Monday 31 May, forecast at 80%. Arrive for opening and ride the headline coasters first, or pick another day of the break.

Are the weekends busier than the weekdays of Memorial Day weekend at Six Flags Great America?

The weekdays of the break run about 10 points busier than the weekends: the weekend days average 70% and the weekdays 80%.