Flight Reliability
F9 3894 · Frontier Airlines
Detroit → Fort Myers (DTW–RSW)
82
Pretty Reliable
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 0%
- Cancelled
- 1 min early
- Median arrival delay
Based on 72 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
F9 3894 departing between 6–9 AM arrived on time 80% of the time, versus 65% between 9 AM–12 PM.
Wednesday is the weak spot.
F9 3894 arrived on time 81% of the time on Mondays. On Wednesdays: 70%.
The breakdown
- Mon81%(16 flights)
- Tue—(4 flights)
- Wed70%(10 flights)
- Thu—(3 flights)
- Fri71%(17 flights)
- Sat78%(18 flights)
- Sun—(4 flights)
- 6–9 AM80%(30 flights)
- 9 AM–12 PM65%(20 flights)
- 12–3 PM75%(12 flights)
- 3–6 PM—(4 flights)
- 9 PM–12 AM—(6 flights)
79%
Mar
Dec 64% → Mar 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 64% | 11 |
| February 2026 | 83% | 12 |
| March 2026 | 79% | 28 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 72
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 72 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.