Mark Twain Riverboat Reliability & Wait Patterns
Disneyland Park · Based on 10512 wait-time samples
0.02
Volatility Index (coefficient of variation)
Stable — waits stay close to the average throughout the day.
10m
Typical (p50) wait
10m
Busy (p90) wait
10m
Worst-case (p99)
10m
All-time max
Weekend vs Weekday
10m
Weekday average
10m
Weekend average
1.00×
Weekend multiplier
Real breakdown history (last 90 days)
Actual downtime episodes recorded by our live status tracker — every time Mark Twain Riverboat flipped to DOWN and came back. Observed data, not estimates.
34
Recorded breakdowns
34m
Typical (median) outage
2h 52m
Longest outage (2026-08-30)
2.6
Breakdowns per week
Most recent outages
| Date | Down for |
|---|---|
| 2026-08-30 | 2h 52m |
| 2026-08-24 | 37m |
| 2026-08-19 | 10m |
| 2026-08-16 | 26m |
| 2026-08-14 | 28m |
| 2026-08-13 | 15m |
| 2026-08-03 | 1h 14m |
| 2026-08-01 | 26m |
Episodes under 5 minutes are excluded as status flicker; the typical-outage figure also excludes rare multi-hour artifacts (>8h). Breakdowns hit 25 different days in this window.
Downtime by hour
Rate of DOWN/CLOSED status per hour of the day (ET).
0
100%
100%
1
100%
100%
2
100%
100%
3
100%
100%
4
100%
100%
5
100%
100%
6
100%
100%
7
100%
100%
8
100%
100%
9
100%
100%
10
100%
100%
11
100%
100%
12
8%
8%
13
1%
1%
14
2%
2%
15
0%
0%
16
4%
4%
17
2%
2%
18
4%
4%
19
3%
3%
20
23%
23%
21
73%
73%
22
74%
74%
23
82%
82%
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 | – | – | – | – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Tue | – | – | – | – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Wed | – | – | – | – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Thu | – | – | – | – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Fri | – | – | – | – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | – | – |
| Sat | – | – | – | – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | – | – |
| Sun | – | – | – | – | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Weather effect on waits
Average wait (minutes) in different weather conditions:
10m
Clear
10m
Cloudy
10m
Drizzle
10m
Partly Cloudy
When this ride goes down
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