Flight Reliability
F9 4571 · Frontier Airlines
Detroit → Las Vegas (DTW–LAS)
76
Usually Fine
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 17 min
- Average arrival delay
- 0%
- Cancelled
- 0 min
- Median arrival delay
Based on 35 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
F9 4571 departing between 9 PM–12 AM arrived on time 77% of the time, versus 62% between 6–9 AM.
A bit behind the DTW–LAS route.
F9 4571 arrived on time 71% of the time, versus 78% across the DTW–LAS route.
The breakdown
- Mon—(7 flights)
- Tue—(3 flights)
- Wed—(4 flights)
- Thu—(6 flights)
- Fri—(6 flights)
- Sat—(2 flights)
- Sun—(7 flights)
- 6–9 AM62%(13 flights)
- 9 PM–12 AM77%(22 flights)
- Departures on time
- 63%
- Diverted
- 0%
- Flights flown
- 35
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 35 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.