Flight Reliability
F9 4725 · Frontier Airlines
San Juan → Orlando (SJU–MCO)
52
A Little Dicey
WanderNerd Reliability Score
- 67%
- Arrive within 15 minutes
- 35 min
- Average arrival delay
- 1.9%
- Cancelled
- 4 min early
- Median arrival delay
Based on 268 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 4725 departing between 12–3 PM arrived on time 85% of the time, versus 63% between 3–6 PM.
Sunday scaries are real for this one.
F9 4725 arrived on time 74% of the time on Fridays. On Sundays: 60%.
Lagging the SJU–MCO route.
F9 4725 arrived on time 67% of the time, versus 80% across the SJU–MCO route.
A bit behind the Frontier Airlines network.
F9 4725 arrived on time 67% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon63%(41 flights)
- Tue67%(27 flights)
- Wed68%(22 flights)
- Thu66%(44 flights)
- Fri74%(43 flights)
- Sat69%(39 flights)
- Sun60%(45 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM85%(27 flights)
- 3–6 PM63%(210 flights)
- 6–9 PM78%(23 flights)
81%
May
Jun 78% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 78% | 18 |
| July 2025 | 67% | 18 |
| August 2025 | 52% | 25 |
| September 2025 | 85% | 26 |
| October 2025 | 71% | 17 |
| December 2025 | 59% | 22 |
| January 2026 | 67% | 18 |
| February 2026 | 65% | 20 |
| March 2026 | 55% | 31 |
| April 2026 | 53% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 66%
- Diverted
- 0.7%
- Flights flown
- 261
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 268 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.