Flight Reliability
F9 3018 · Frontier Airlines
Fort Lauderdale → San Juan (FLL–SJU)
15
Bring Snacks
WanderNerd Reliability Score
- 61%
- Arrive within 15 minutes
- 61 min
- Average arrival delay
- 7.2%
- Cancelled
- 4 min
- Median arrival delay
Based on 69 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
F9 3018 arrived on time 83% of the time on Fridays and just 39% on Saturdays. That gap is worth planning around.
Lagging the FLL–SJU route.
F9 3018 arrived on time 61% of the time, versus 69% across the FLL–SJU route.
Lagging the Frontier Airlines network.
F9 3018 arrived on time 61% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(9 flights)
- Tue—(4 flights)
- Wed—(0 flights)
- Thu40%(10 flights)
- Fri83%(12 flights)
- Sat39%(13 flights)
- Sun63%(16 flights)
- 6–9 AM—(8 flights)
- 9 AM–12 PM—(6 flights)
- 12–3 PM—(9 flights)
- 3–6 PM—(3 flights)
- 6–9 PM50%(36 flights)
- 9 PM–12 AM—(2 flights)
- Departures on time
- 63%
- Diverted
- 0%
- Flights flown
- 64
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 69 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.