Every day scored 1 to 10 for the next 365 days. Free, no sign-up, no email.
Quietest days coming up: Wed 28 Oct (1/10) · Wed 4 Nov (1/10) · Wed 11 Nov (1/10)
Busiest: Sun 20 Dec (10/10) — Christmas holidays
1–3 quiet4–6 moderate7–10 busy✦ holiday
October 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
231
2410
2510
2610
271
281
291
301
3110
November 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
110
29
31
41
51
61
710
810
99
101
111
121
131
1410
1510
169
171
181
191
201
2110
2210
239
241
251✦
261✦
271✦
2810✦
2910✦
309
December 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
11
21
31
41
510
610
79
81
91
101
111
1210
1310
149
151
161
171
181
1910
2010✦
2110✦
221✦
231✦
241✦
251✦
2610✦
2710✦
2810✦
291✦
301✦
311✦
January 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
11✦
210✦
310✦
49
51
61
71
81
910
1010
119
121
131
141
151
1610✦
1710✦
1810✦
191
201
211
221
2310
2410
259
261
271
281
291
3010
3110
February 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
19
21
31
41
51
610
710
89
91
101
111
121
1310✦
1410✦
1510✦
161
171
181
191
2010
2110
229
231
241
251
261
2710
2810
March 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
19
21
31
41
51
610
710
810
91
101
111
121
1310
1410
1510
161
171
181
191
2010
2110✦
2210✦
231✦
241✦
251✦
261✦
2710✦
2810✦
2910✦
301
311
April 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
11
21
310
410
510
61
71
81
91
1010
1110
1210
131
141
151
161
1710
1810
1910
201
211
221
231
2410
2510
269
271
281
291
301
May 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
19
210
38
41
51
61
71
89
910
108
111
121
131
141
159
1610
178
181
191
201
211
229
2310
248
251
261
271
281
2910✦
3010✦
3110✦
June 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
11
21
31
41
510
610
710
81
91
101
111
1210
1310
1410
151
161
171
181
1910
2010
2110
221
231
241
251
2610
2710
2810
291
301
July 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
11
21
310
410✦
510
61
71
81
91
1010
1110
1210
131
141
151
161
1710
1810
1910
201
211
221
231
2410
2510
2610
271
281
291
301
3110
August 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
110
210
31
41
51
61
710
810
910
101
111
121
131
1410
1510
1610
171
181
191
201
2110
2210
2310
241
251
261
271
2810
2910
3010
311
September 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
11
21
31
410✦
510✦
610✦
71
81
91
101
119
1210
138
141
151
161
171
189
1910
208
211
221
231
241
259
2610
278
281
291
301
October 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
11
210
310
410
51
61
71
81
910✦
1010✦
1110✦
121
131
141
151
1610
1710
1810
191
201
211
221
The months that actually matter at Six Flags Great America
Busiest months
June, July, August and October — the summer holiday and Fright Fest.
Quietest months
May and September — May weekdays and September weekdays.
Local knowledge: The season is genuinely short here — the park runs weekends only at each end of it, and those weekends are busier than midweek in July.
When to avoid Six Flags Great America, and when to go
Busiest stretches, next 12 months
Sat Jan 16 – Mon Jan 18MLK Day · about 10/10
Sat Feb 13 – Mon Feb 15Presidents' Day · about 10/10
Sat May 29 – Mon May 31Memorial Day · about 10/10
Sun Jul 4July 4th · about 10/10
Sat Oct 9 – Mon Oct 11Columbus Day · about 10/10
Quietest weeks
Mon Apr 26 – Sun May 2about 5/10 · no holidays or school breaks
Mon May 3 – Sun May 9about 4/10 · no holidays or school breaks
Mon May 10 – Sun May 16about 4/10 · no holidays or school breaks
Mon May 17 – Sun May 23about 4/10 · no holidays or school breaks
Mon Sep 13 – Sun Sep 19about 4/10 · no holidays or school breaks
Scores are the crowd forecast, 1 to 10, averaged over the stretch. Visiting in a busy stretch anyway? Be at the gate before opening, and ride the big ones in the first hour and the last.
How this is worked out
Each day starts from how that weekday normally runs at Six Flags Great America, learned from our own recorded wait snapshots as they accumulate, and is raised for public holidays and school-holiday periods. It is a forecast of relative busyness, not a promise: a 3 means a day that usually runs quiet for this park, not a guarantee of short lines. The further out a date sits, the more it leans on the weekday pattern alone.
Want the live picture instead? Six Flags Great America wait times has today's queues, the hour-by-hour curve and what counts as a normal wait here. Planning a specific day? Open the planner and it will build a route around these crowd levels.