La Ronde Montreal ride reliability

1. 1Splash6d 10h lost · 5 breakdowns · down on 18 of 18 days 11.4%
2. 2Aqua Twist6d 5h lost · 7 breakdowns · down on 18 of 18 days 13.8%
3. 3Goliath3d 14h lost · 9 breakdowns · down on 17 of 18 days 48.5%
4. 4Disco Ronde3d 2h lost · 10 breakdowns · down on 18 of 18 days 56.6%
5. 5Bateau Pirate2d 14h lost · 35 breakdowns · down on 18 of 18 days 62.4%
6. 6Ourson Fripon2d 12h lost · 18 breakdowns · down on 18 of 18 days 63.8%
7. 7Marais Enchanté1d 18h lost · 16 breakdowns · down on 18 of 18 days 74.2%
8. 8Le Safari1d 17h lost · 17 breakdowns · down on 18 of 18 days 75.4%
9. 9La Marche du Mille-pattes1d 15h lost · 13 breakdowns · down on 18 of 18 days 75.9%
10. 10Pommes d’Api1d 15h lost · 13 breakdowns · down on 18 of 18 days 76%
11. 11La Grande Envolée1d 15h lost · 13 breakdowns · down on 18 of 18 days 76.1%
12. 12Les Explorateurs1d 14h lost · 13 breakdowns · down on 18 of 18 days 76.5%
13. 13Air Papillon1d 14h lost · 13 breakdowns · down on 18 of 18 days 76.8%
14. 14Monsieur L'Arbre1d 13h lost · 13 breakdowns · down on 18 of 18 days 77.2%
15. 15La Danse des Bestioles1d 13h lost · 13 breakdowns · down on 18 of 18 days 77.2%
16. 16Boomerang1d 14h lost · 48 breakdowns · down on 17 of 18 days 77.8%
17. 17Orbite1d 12h lost · 13 breakdowns · down on 17 of 18 days 79.3%
18. 18Vertigo1d 9h lost · 39 breakdowns · down on 18 of 18 days 79.8%
19. 19Le Monstre1d 7h lost · 19 breakdowns · down on 17 of 18 days 80.4%
20. 20Toboggan Nordique1d 6h lost · 30 breakdowns · down on 17 of 18 days 81.6%
21. 21Monstre - Voie 21d 6h lost · 12 breakdowns · down on 17 of 18 days 81.9%
22. 22Manitou1d 2h lost · 16 breakdowns · down on 18 of 18 days 85.1%
23. 23Grande Roue22h 36m lost · 12 breakdowns · down on 17 of 18 days 86.2%
24. 24Démon22h 38m lost · 16 breakdowns · down on 18 of 18 days 86.7%
25. 25Vol Ultime22h 9m lost · 21 breakdowns · down on 18 of 18 days 86.8%
26. 26Titan19h 2m lost · 22 breakdowns · down on 17 of 18 days 88.3%
27. 27Ednör16h 14m lost · 16 breakdowns · down on 17 of 18 days 90.3%
28. 28Condor14h 53m lost · 10 breakdowns · down on 17 of 18 days 90.9%
29. 29Chaos14h 42m lost · 10 breakdowns · down on 17 of 18 days 91.1%
30. 30Tourbillon14h 28m lost · 6 breakdowns · down on 17 of 18 days 91.4%
31. 31Slingshot12h 48m lost · 6 breakdowns · down on 17 of 18 days 92.2%
32. 32Phoenix13h 10m lost · 5 breakdowns · down on 17 of 18 days 92.3%
33. 33Catapulte12h 18m lost · 5 breakdowns · down on 17 of 18 days 92.4%
34. 34Vampire11h 33m lost · 5 breakdowns · down on 17 of 18 days 93%
35. 35Tour de Ville11h 17m lost · 5 breakdowns · down on 17 of 18 days 93.2%
36. 36Grand Carrousel11h 25m lost · 3 breakdowns · down on 17 of 18 days 93.3%
37. 37Autos Tamponneuses11h 19m lost · 3 breakdowns · down on 17 of 18 days 93.3%
38. 38Dragon10h 10m lost · 6 breakdowns · down on 17 of 18 days 93.7%

Breakdowns cluster at 8pm, with 103 of the 528 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 114 rides simply were not running at opening, which is a late start rather than a fault and is counted separately. The other 8 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 27 Sept, when 51.9% of the park's ride hours were lost and 38 of 38 rides went down at some point.