Flight Reliability
F9 2107 · Frontier Airlines
FSD → Denver (FSD–DEN)
61
A Little Dicey
WanderNerd Reliability Score
- 68%
- Arrive within 15 minutes
- 39 min
- Average arrival delay
- 0%
- Cancelled
- 6 min early
- Median arrival delay
Based on 87 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
F9 2107 departing between 12–3 PM arrived on time 76% of the time, versus 60% between 6–9 PM.
Thursday comes out ahead.
A small edge: 74% on time on Thursdays against 68% on Fridays.
Lagging the FSD–DEN route.
F9 2107 arrived on time 68% of the time, versus 77% across the FSD–DEN route.
A bit behind the Frontier Airlines network.
F9 2107 arrived on time 68% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon68%(22 flights)
- Tue—(0 flights)
- Wed—(5 flights)
- Thu74%(19 flights)
- Fri68%(22 flights)
- Sat—(0 flights)
- Sun68%(19 flights)
- 12–3 PM76%(37 flights)
- 3–6 PM67%(15 flights)
- 6–9 PM60%(35 flights)
54%
May
Jun 50% → May 54% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 50% | 12 |
| February 2026 | 90% | 10 |
| March 2026 | 82% | 11 |
| May 2026 | 54% | 13 |
- Departures on time
- 68%
- Diverted
- 0%
- Flights flown
- 87
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 87 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.