All time
THE JOKER has the longest average queue at Six Flags Discovery Kingdom, at 36 minutes, followed by Sidewinder Safari (33 minutes) and BATMAN: The Ride (28 minutes). 14 of the 23 rides have an average queue of 15 minutes or less.
| Ride | Overall average queue time, mins |
|---|---|
| THE JOKER | 36 |
| Sidewinder Safari | 33 |
| BATMAN: The Ride | 28 |
| SUPERMAN Ultimate Flight | 28 |
| WONDER WOMAN Lasso of Truth | 25 |
| Monsoon Falls | 22 |
| Medusa | 21 |
| White Water Safari | 20 |
| Kong | 18 |
| Boomerang Coast-to-Coaster | 15 |
| THE FLASH Vertical Velocity | 15 |
| SkyScreamer | 13 |
| Cobra | 10 |
| Ark | 7 |
| Boardwalk Bumper Buggies | 7 |
| Scat-A-Bout | 7 |
| Road Runner Express | 6 |
| Thrilla Gorilla | 6 |
| Monkey Business | 5 |
| Wave Swinger | 5 |
| Air Penguins | 4 |
| Seaside Railway | 3 |
| Acme Fun Factory | 2 |
THE JOKER sees the longest peak queues at Six Flags Discovery Kingdom, with its daily maximum averaging 50 minutes, ahead of Sidewinder Safari (46 minutes) and BATMAN: The Ride (40 minutes).
| Ride | Average maximum queue time, mins |
|---|---|
| THE JOKER | 50 |
| Sidewinder Safari | 46 |
| BATMAN: The Ride | 40 |
| SUPERMAN Ultimate Flight | 40 |
| WONDER WOMAN Lasso of Truth | 37 |
| Monsoon Falls | 36 |
| Medusa | 31 |
| White Water Safari | 31 |
| Kong | 27 |
| Boomerang Coast-to-Coaster | 25 |
| THE FLASH Vertical Velocity | 21 |
| SkyScreamer | 19 |
| Cobra | 14 |
| Boardwalk Bumper Buggies | 10 |
| Ark | 9 |
| Scat-A-Bout | 9 |
| Road Runner Express | 8 |
| Thrilla Gorilla | 7 |
| Monkey Business | 6 |
| Wave Swinger | 6 |
| Air Penguins | 4 |
| Seaside Railway | 4 |
| Acme Fun Factory | 3 |
Six Flags Discovery Kingdom is usually quietest in January, when crowd levels average as low as 28%. The busiest month tends to be May, at around 64%.
| Month | Average crowd level, % |
|---|---|
| Jan | 28 |
| Feb | 39 |
| Mar | 47 |
| Apr | 58 |
| May | 64 |
| Jun | 49 |
| Jul | 47 |
| Aug | 55 |
| Sep | 60 |
| Oct | 58 |
| Nov | 40 |
| Dec | 37 |
Thursday is typically the quietest day of the week at Six Flags Discovery Kingdom, averaging 38% compared with 64% on Saturday. On average, weekdays are 14 percentage points quieter than weekends.
| Day | Average crowd level, % |
|---|---|
| Sun | 49 |
| Mon | 47 |
| Tue | 44 |
| Wed | 40 |
| Thu | 38 |
| Fri | 43 |
| Sat | 64 |
So far in 2026, Six Flags Discovery Kingdom is running 3 percentage points busier than at the same point in 2025 (50% compared with 47%). Of the full years on record, 2018 was the busiest, averaging 56%. 2020 and 2021 are left out of these comparisons because COVID-19 closures and capacity limits affected crowd levels in those years.
| Event | Average crowd level, % |
|---|---|
| ποΈ Military Appreciation Days Sale | 91 |
| πΊπΈ Memorial Day Weekend | 87 |
| π€‘ Kids Boo Fest | 76 |
| π Education Days | 74 |
| π Viva La Fiesta | 71 |
| β Star Spangled Nights | 66 |
| π± Conservation Days | 64 |
| πΊ Oktoberfest | 60 |
| ποΈ Veterans Weekend Celebration | 59 |
| π» Scream Break | 59 |
| πΌ Spring Break | 59 |
| π» Fright Fest | 52 |
| π Tricks and Treats | 51 |
| π July 4th | 39 |
| π§₯ One Warm Coat | 30 |
| π Holiday in the Park | 30 |
| βͺοΈ ON FiRE NORCAL JAM | 28 |
| π NEW Winterfest | 26 |
| Day | Crowd level, % |
|---|---|
| July 24, 2021 | 100 |
| August 07, 2021 | 99 |
| October 19, 2024 | 99 |
| October 16, 2021 | 99 |
| July 03, 2021 | 99 |
| July 24, 2018 | 99 |
| August 14, 2021 | 99 |
| September 05, 2021 | 99 |
| March 30, 2019 | 99 |
| September 09, 2018 | 99 |
| Day | Crowd level, % |
|---|---|
| December 30, 2022 | 0 |
| March 23, 2023 | 0 |
| December 29, 2022 | 0 |
| February 15, 2026 | 0 |
| February 01, 2025 | 0 |
| January 29, 2023 | 0 |
| January 28, 2023 | 0 |
| October 17, 2025 | 0 |
| February 22, 2026 | 1 |
| January 03, 2025 | 1 |