Flight Reliability
F9 4383 · Frontier Airlines
New York → Orlando (LGA–MCO)
51
A Little Dicey
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 30 min
- Average arrival delay
- 2.7%
- Cancelled
- 3 min early
- Median arrival delay
Based on 146 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 4383 departing between 12–3 PM arrived on time 68% of the time, versus 58% between 3–6 PM.
Mondays have been rough.
F9 4383 arrived on time 80% of the time on Tuesdays and just 54% on Mondays. That gap is worth planning around.
A bit behind the LGA–MCO route.
F9 4383 arrived on time 64% of the time, versus 70% across the LGA–MCO route.
Lagging the Frontier Airlines network.
F9 4383 arrived on time 64% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon54%(26 flights)
- Tue80%(10 flights)
- Wed71%(28 flights)
- Thu80%(10 flights)
- Fri57%(30 flights)
- Sat63%(30 flights)
- Sun—(8 flights)
- 9 AM–12 PM—(3 flights)
- 12–3 PM68%(112 flights)
- 3–6 PM58%(19 flights)
- 6–9 PM—(8 flights)
54%
Mar
Sep 82% → Mar 54% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 82% | 17 |
| October 2025 | 53% | 15 |
| November 2025 | 50% | 10 |
| December 2025 | 53% | 17 |
| January 2026 | 67% | 21 |
| February 2026 | 78% | 27 |
| March 2026 | 54% | 28 |
- Departures on time
- 68%
- Diverted
- 0%
- Flights flown
- 142
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 146 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.