Six Flags St Louis ride reliability

1. 1Taz Twisters4d 5h lost · 3 breakdowns · down on 14 of 14 days 16.1%
2. 2Foghorn Leghorn National Park Railway4d 5h lost · 2 breakdowns · down on 14 of 14 days 16.1%
3. 3Bugs Bunny Ranger Pilots4d 5h lost · 2 breakdowns · down on 14 of 14 days 16.1%
4. 4Elmer Fudd Weather Balloons4d 5h lost · 2 breakdowns · down on 14 of 14 days 16.1%
5. 5Daffy Duck Stars on Parade4d 5h lost · 2 breakdowns · down on 14 of 14 days 16.2%
6. 6Bugs Bunny Fort Fun4d 5h lost · 2 breakdowns · down on 14 of 14 days 16.4%
7. 7Tweety Twee House4d 5h lost · 2 breakdowns · down on 14 of 14 days 16.6%
8. 8Marvin the Martian Camp Invasion4d 5h lost · 2 breakdowns · down on 14 of 14 days 16.6%
9. 9Pandemonium3d 2h lost · 2 breakdowns · down on 14 of 14 days 34.6%
10. 10Colossus2d 0h lost · 2 breakdowns · down on 9 of 14 days 60.3%
11. 11Tommy G. Robertson Railroad1d 23h lost · 5 breakdowns · down on 10 of 14 days 60.8%
12. 12SUPERGIRL™ Sky Flyer1d 20h lost · 4 breakdowns · down on 10 of 14 days 60.9%
13. 13Boomerang1d 19h lost · 2 breakdowns · down on 9 of 14 days 64.4%
14. 14Screamin’ Eagle1d 18h lost · 4 breakdowns · down on 10 of 14 days 64.6%
15. 15American Thunder1d 18h lost · 2 breakdowns · down on 9 of 14 days 65.2%
16. 16Rookie Racer1d 17h lost · 2 breakdowns · down on 9 of 14 days 65.2%
17. 17River King Mine Train1d 17h lost · 9 breakdowns · down on 9 of 14 days 66.6%
18. 18CATWOMAN™ Whip1d 15h lost · 3 breakdowns · down on 8 of 14 days 67.5%
19. 19The Boss1d 13h lost · 8 breakdowns · down on 9 of 14 days 69.4%
20. 20SHAZAM!™15h 30m lost · 2 breakdowns · down on 4 of 14 days 87.8%
21. 21Ninja11h 15m lost · 4 breakdowns · down on 5 of 14 days 91.3%
22. 22BATMAN™: The Ride10h 17m lost · 2 breakdowns · down on 5 of 14 days 91.9%

Breakdowns cluster at 6pm, with 26 of the 66 closures that started before the park's final hour beginning then - so the ride you most want is safest earlier in the day, not saved for last. A further 276 rides simply were not running at opening, which is a late start rather than a fault and is counted separately. The other 2 closures start in the 10pm hour, when the park is shutting - those are rides finishing their day, not failing, so they are left out here.

The worst day in this window was 19 Sept, when 81.6% of the park's ride hours were lost and 31 of 38 rides went down at some point.