Flight Reliability
F9 2383 · Frontier Airlines
San Juan → Miami (SJU–MIA)
77
Usually Fine
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 1.3%
- Cancelled
- 11 min early
- Median arrival delay
Based on 77 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
F9 2383 arrived on time 100% of the time on Fridays and just 70% on Tuesdays. That gap is worth planning around.
A bit ahead of the Frontier Airlines network.
F9 2383 arrived on time 78% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon70%(10 flights)
- Tue70%(10 flights)
- Wed—(9 flights)
- Thu77%(13 flights)
- Fri100%(11 flights)
- Sat—(7 flights)
- Sun75%(16 flights)
- 3–6 AM—(1 flights)
- 6–9 AM—(5 flights)
- 9 AM–12 PM75%(24 flights)
- 3–6 PM—(6 flights)
- 6–9 PM78%(40 flights)
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 76
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 77 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.