Flight Reliability
F9 4440 · Frontier Airlines
Fort Lauderdale → Philadelphia (FLL–PHL)
36
Bring Snacks
WanderNerd Reliability Score
- 52%
- Arrive within 15 minutes
- 44 min
- Average arrival delay
- 1.6%
- Cancelled
- 10 min
- Median arrival delay
Based on 124 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
F9 4440 departing between 6–9 PM arrived on time 68% of the time, versus 37% between 12–3 PM.
Friday is doing you no favors.
F9 4440 arrived on time 68% of the time on Wednesdays and just 29% on Fridays. That gap is worth planning around.
Well behind the FLL–PHL route.
F9 4440 arrived on time 52% of the time, versus 73% across the FLL–PHL route.
Well behind the Frontier Airlines network.
F9 4440 arrived on time 52% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon56%(16 flights)
- Tue56%(16 flights)
- Wed68%(22 flights)
- Thu50%(18 flights)
- Fri29%(14 flights)
- Sat46%(22 flights)
- Sun50%(14 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM37%(35 flights)
- 3–6 PM46%(39 flights)
- 6–9 PM68%(19 flights)
- 9 PM–12 AM68%(28 flights)
59%
May
Dec 69% → May 59% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 69% | 26 |
| January 2026 | 54% | 24 |
| February 2026 | 24% | 21 |
| March 2026 | 50% | 10 |
| April 2026 | 50% | 24 |
| May 2026 | 59% | 17 |
- Departures on time
- 51%
- Diverted
- 0%
- Flights flown
- 122
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 124 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.