Flight Reliability
F9 4920 · Frontier Airlines
Denver → Orlando (DEN–MCO)
71
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 2.6%
- Cancelled
- 10 min early
- Median arrival delay
Based on 78 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 4920 departing between 12–3 PM arrived on time 83% of the time, versus 75% between 6–9 PM.
Skip Monday if you can.
F9 4920 arrived on time 73% of the time on Sundays. On Mondays: 65%.
The breakdown
- Mon65%(20 flights)
- Tue—(6 flights)
- Wed—(6 flights)
- Thu—(7 flights)
- Fri67%(18 flights)
- Sat—(8 flights)
- Sun73%(11 flights)
- 9 AM–12 PM—(4 flights)
- 12–3 PM83%(12 flights)
- 3–6 PM—(8 flights)
- 6–9 PM75%(52 flights)
73%
Jan
Sep 67% → Jan 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 67% | 12 |
| December 2025 | 61% | 18 |
| January 2026 | 73% | 22 |
- Departures on time
- 65%
- Diverted
- 0%
- Flights flown
- 76
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 78 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.