How often does Big Thunder Mountain break down?

Over the last 90 days we recorded 20 real breakdown episodes for Big Thunder Mountain — about 1.6 per week, spread across 18 different days. These are observed status changes from live park data, not estimates.

How long is Big Thunder Mountain usually down when it breaks down?

The median recorded outage for Big Thunder Mountain lasted 47 minutes (average 72 minutes). The longest outage we observed in the last 90 days lasted 250 minutes, on 2026-08-12.

Big Thunder Mountain Reliability & Wait Patterns

Tokyo Disneyland · Based on 19973 wait-time samples

Data updated October 12, 2026 · refreshed weekly from the last 180 days

0.33

Volatility Index (typical within-day swing)

Moderately volatile — expect meaningful swings through the day.

40m

Typical (p50) wait

70m

Busy (p90) wait

100m

Worst-case (p99)

500m

Highest (last 180 days)

Weekend vs Weekday

41m

Weekday average

46m

Weekend average

1.12×

Weekend multiplier

Real breakdown history (last 90 days)

Actual downtime episodes recorded by our live status tracker — every time Big Thunder Mountain flipped to DOWN and came back. Observed data, not estimates.

Recorded breakdowns

47m

Typical (median) outage

4h 10m

Longest outage (2026-08-12)

1.6

Breakdowns per week

Most recent outages

Date	Down for
2026-10-05	6m
2026-10-03	1h 43m
2026-09-23	2h 42m
2026-09-21	1h 52m
2026-09-17	2h 26m
2026-09-16	1h 28m
2026-09-12	19m
2026-09-10	1h 45m

Episodes under 5 minutes are excluded as status flicker; the typical-outage figure also excludes rare multi-hour artifacts (>8h). Breakdowns hit 18 different days in this window.

Downtime by hour

Share of running time the ride was down for an unplanned breakdown, by hour of the day (park-local time). Scheduled closures and refurbishments are not counted.

6
0%

7
0%

8
0%

9
2%

10
2%

11
2%

12
2%

13
3%

14
1%

15
1%

16
0%

17
1%

18
1%

19
1%

20
1%

21
3%

Best & worst hours by day of week

Average standby wait (minutes). Green = lowest of day, red = highest.

DOW	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
Mon	–	42	45	46	41	41	44	43	44	46	48	43	34	–	–
Tue	–	39	44	43	38	39	39	38	40	42	44	35	24	–	–
Wed	–	36	42	38	35	34	38	38	37	44	47	36	29	–	–
Thu	–	36	47	47	45	48	50	46	44	48	44	41	32	–	–
Fri	–	37	40	40	36	37	39	38	39	40	49	45	34	16	–
Sat	–	48	51	48	43	44	50	48	50	51	51	44	39	–	–
Sun	–	44	46	43	43	43	44	46	47	48	48	43	30	–	–

Weather effect on waits

How the wait changed in each kind of weather, compared with this ride at the same hour on the same weekday within three weeks. Only differences marked “clear signal” are larger than day-to-day noise.

-0m

Cloudy · 477 ride-hours · within noise

+0m

Clear · 133 ride-hours · within noise

-3m

Light Rain · 45 ride-hours · within noise

-4m

Heavy Rain · 61 ride-hours · clear signal

When this ride goes down

These rides get busier when Big Thunder Mountain is reported DOWN, compared with the same hour on a normal day:

Roger Rabbit's Car Toon Spin

+5m (24%)

Peter Pan's Flight

+4m (15%)

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DOW	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
Mon	–	42	45	46	41	41	44	43	44	46	48	43	34	–	–
Tue	–	39	44	43	38	39	39	38	40	42	44	35	24	–	–
Wed	–	36	42	38	35	34	38	38	37	44	47	36	29	–	–
Thu	–	36	47	47	45	48	50	46	44	48	44	41	32	–	–
Fri	–	37	40	40	36	37	39	38	39	40	49	45	34	16	–
Sat	–	48	51	48	43	44	50	48	50	51	51	44	39	–	–
Sun	–	44	46	43	43	43	44	46	47	48	48	43	30	–	–

DOW	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
Mon	–	42	45	46	41	41	44	43	44	46	48	43	34	–	–
Tue	–	39	44	43	38	39	39	38	40	42	44	35	24	–	–
Wed	–	36	42	38	35	34	38	38	37	44	47	36	29	–	–
Thu	–	36	47	47	45	48	50	46	44	48	44	41	32	–	–
Fri	–	37	40	40	36	37	39	38	39	40	49	45	34	16	–
Sat	–	48	51	48	43	44	50	48	50	51	51	44	39	–	–
Sun	–	44	46	43	43	43	44	46	47	48	48	43	30	–	–

DOW	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
Mon	–	42	45	46	41	41	44	43	44	46	48	43	34	–	–
Tue	–	39	44	43	38	39	39	38	40	42	44	35	24	–	–
Wed	–	36	42	38	35	34	38	38	37	44	47	36	29	–	–
Thu	–	36	47	47	45	48	50	46	44	48	44	41	32	–	–
Fri	–	37	40	40	36	37	39	38	39	40	49	45	34	16	–
Sat	–	48	51	48	43	44	50	48	50	51	51	44	39	–	–
Sun	–	44	46	43	43	43	44	46	47	48	48	43	30	–	–