Flight Reliability
F9 4685 · Frontier Airlines
PSE → Orlando (PSE–MCO)
97
Nerd Approved
WanderNerd Reliability Score
- 91%
- Arrive within 15 minutes
- 10 min early
- Average arrival delay
- 0.4%
- Cancelled
- 16 min early
- Median arrival delay
Based on 227 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
F9 4685 departing between 9 AM–12 PM arrived on time 95% of the time, versus 76% between 12–3 PM.
Skip Wednesday if you can.
F9 4685 arrived on time 97% of the time on Thursdays. On Wednesdays: 82%.
Well ahead of the Frontier Airlines network.
F9 4685 arrived on time 91% of the time, versus 73% across the Frontier Airlines network.
Ticking up lately.
F9 4685 arrived on time 90% of the time over the last three months in the data, compared with 85% in the three months before that.
The breakdown
- Mon93%(41 flights)
- Tue85%(13 flights)
- Wed82%(17 flights)
- Thu97%(37 flights)
- Fri93%(41 flights)
- Sat87%(38 flights)
- Sun90%(39 flights)
- 9 AM–12 PM95%(174 flights)
- 12–3 PM76%(50 flights)
- 3–6 PM—(2 flights)
97%
May
Jun 100% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 24 |
| July 2025 | 89% | 26 |
| August 2025 | 95% | 20 |
| September 2025 | 100% | 16 |
| October 2025 | 91% | 11 |
| November 2025 | 90% | 19 |
| December 2025 | 92% | 25 |
| January 2026 | 72% | 18 |
| March 2026 | 88% | 16 |
| April 2026 | 85% | 13 |
| May 2026 | 97% | 29 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 226
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 227 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.