Flight Reliability
F9 2640 · Frontier Airlines
Detroit → Raleigh–Durham (DTW–RDU)
79
Usually Fine
WanderNerd Reliability Score
- 82%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 2.9%
- Cancelled
- 10 min early
- Median arrival delay
Based on 104 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
F9 2640 departing between 3–6 PM arrived on time 100% of the time, versus 60% between 6–9 PM.
Thursdays have been rough.
F9 2640 arrived on time 100% of the time on Fridays and just 61% on Thursdays. That gap is worth planning around.
Better than the Frontier Airlines network average.
F9 2640 arrived on time 82% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon80%(20 flights)
- Tue—(4 flights)
- Wed—(5 flights)
- Thu61%(18 flights)
- Fri100%(21 flights)
- Sat91%(11 flights)
- Sun73%(22 flights)
- 6–9 AM—(2 flights)
- 9 AM–12 PM82%(73 flights)
- 12–3 PM—(1 flights)
- 3–6 PM100%(15 flights)
- 6–9 PM60%(10 flights)
88%
Apr
Jun 100% → Apr 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 100% | 16 |
| September 2025 | 77% | 17 |
| December 2025 | 92% | 13 |
| April 2026 | 88% | 17 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 101
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 104 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.