Flight Reliability
F9 4871 · Frontier Airlines
New York → Orlando (JFK–MCO)
70
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 1.3%
- Cancelled
- 1 min early
- Median arrival delay
Based on 311 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 4871 departing between 9 AM–12 PM arrived on time 87% of the time, versus 64% between 3–6 PM.
Tuesdays have been rough.
F9 4871 arrived on time 82% of the time on Thursdays and just 62% on Tuesdays. That gap is worth planning around.
Ticking up lately.
F9 4871 arrived on time 77% of the time over the last three months in the data, compared with 73% in the three months before that.
The breakdown
- Mon70%(43 flights)
- Tue62%(45 flights)
- Wed80%(44 flights)
- Thu82%(45 flights)
- Fri65%(43 flights)
- Sat69%(45 flights)
- Sun74%(42 flights)
- 6–9 AM70%(232 flights)
- 9 AM–12 PM87%(15 flights)
- 12–3 PM82%(38 flights)
- 3–6 PM64%(22 flights)
77%
Apr
Jun 67% → Apr 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 55% | 31 |
| August 2025 | 65% | 31 |
| September 2025 | 83% | 30 |
| October 2025 | 71% | 31 |
| November 2025 | 83% | 30 |
| December 2025 | 63% | 30 |
| January 2026 | 73% | 30 |
| February 2026 | 67% | 21 |
| March 2026 | 87% | 30 |
| April 2026 | 77% | 13 |
- Departures on time
- 71%
- Diverted
- 0%
- Flights flown
- 307
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 311 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.