Flight Reliability
F9 1835 · Frontier Airlines
Detroit → Miami (DTW–MIA)
65
Usually Fine
WanderNerd Reliability Score
- 68%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 1.6%
- Cancelled
- 7 min early
- Median arrival delay
Based on 63 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
F9 1835 departing between 6–9 PM arrived on time 77% of the time, versus 59% between 12–3 PM.
Skip Monday if you can.
F9 1835 arrived on time 80% of the time on Fridays. On Mondays: 68%.
Lagging the DTW–MIA route.
F9 1835 arrived on time 68% of the time, versus 80% across the DTW–MIA route.
A bit behind the Frontier Airlines network.
F9 1835 arrived on time 68% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon68%(19 flights)
- Tue—(0 flights)
- Wed—(3 flights)
- Thu—(9 flights)
- Fri80%(20 flights)
- Sat—(4 flights)
- Sun—(7 flights)
- 6–9 AM—(5 flights)
- 9 AM–12 PM—(8 flights)
- 12–3 PM59%(32 flights)
- 3–6 PM—(4 flights)
- 6–9 PM77%(13 flights)
60%
Mar
Dec 64% → Mar 60% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 64% | 11 |
| February 2026 | 73% | 11 |
| March 2026 | 60% | 20 |
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 62
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 63 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.