Flight Reliability
F9 3380 · Frontier Airlines
Miami → Philadelphia (MIA–PHL)
68
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 3.1%
- Cancelled
- 6 min early
- Median arrival delay
Based on 98 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 3380 departing between 6–9 AM arrived on time 94% of the time, versus 58% between 3–6 PM.
Sunday scaries are real for this one.
F9 3380 arrived on time 94% of the time on Saturdays and just 62% on Sundays. That gap is worth planning around.
The breakdown
- Mon65%(20 flights)
- Tue73%(11 flights)
- Wed—(9 flights)
- Thu83%(12 flights)
- Fri71%(14 flights)
- Sat94%(16 flights)
- Sun62%(13 flights)
- 6–9 AM94%(17 flights)
- 9 AM–12 PM74%(27 flights)
- 12–3 PM73%(30 flights)
- 3–6 PM58%(12 flights)
- 6–9 PM—(3 flights)
- 9 PM–12 AM—(6 flights)
89%
Apr
Dec 58% → Apr 89% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 58% | 12 |
| January 2026 | 71% | 17 |
| February 2026 | 70% | 23 |
| April 2026 | 89% | 27 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 95
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 98 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.