Route Reliability
Cleveland → San Juan
CLE–SJU · 1,839 miles · Cleveland Hopkins International Airport to Luis Muñoz Marín International Airport
39
Bring Snacks
WanderNerd Reliability Score
- 63%
- Arrive within 15 minutes
- 30 min
- Average arrival delay
- 5.4%
- Cancelled
- 93
- Flights in the data
Data through May 2026.
Frontier Airlines is the only airline in this data on this route, arriving on time 63% of the time across 93 flights. No comparison to make.
What the data says
The 6–9 AM departure wins.
CLE–SJU flights departing between 6–9 AM arrived on time 95% of the time, versus 50% between 9 AM–12 PM.
Friday is doing you no favors.
CLE–SJU flights arrived on time 82% of the time on Tuesdays and just 46% on Fridays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon54%(13 flights)
- Tue82%(11 flights)
- Wed69%(13 flights)
- Thu50%(12 flights)
- Fri46%(11 flights)
- Sat77%(13 flights)
- Sun60%(15 flights)
- 6–9 AM95%(19 flights)
- 9 AM–12 PM50%(26 flights)
- 6–9 PM56%(43 flights)
92%
Dec
Jun 50% → Dec 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 24 |
| July 2025 | 76% | 29 |
| August 2025 | 50% | 18 |
| December 2025 | 92% | 13 |
Keep nerding
Based on 93 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.