Flight Reliability
F9 2520 · Frontier Airlines
Denver → Orlando (DEN–MCO)
77
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.8%
- Cancelled
- 7 min early
- Median arrival delay
Based on 169 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
F9 2520 arrived on time 85% of the time on Saturdays and just 59% on Mondays. That gap is worth planning around.
A bit ahead of the Frontier Airlines network.
F9 2520 arrived on time 77% of the time, versus 73% across the Frontier Airlines network.
Ticking up lately.
F9 2520 arrived on time 77% of the time over the last three months in the data, compared with 74% in the three months before that.
The breakdown
- Mon59%(22 flights)
- Tue79%(24 flights)
- Wed82%(22 flights)
- Thu78%(23 flights)
- Fri73%(26 flights)
- Sat85%(26 flights)
- Sun78%(23 flights)
- 12–3 AM—(1 flights)
- 3–6 PM—(1 flights)
- 6–9 PM—(3 flights)
- 9 PM–12 AM76%(161 flights)
77%
May
Dec 65% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 65% | 31 |
| January 2026 | 67% | 18 |
| February 2026 | 90% | 19 |
| March 2026 | 90% | 29 |
| April 2026 | 66% | 29 |
| May 2026 | 77% | 30 |
- Departures on time
- 71%
- Diverted
- 0%
- Flights flown
- 166
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 169 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.