Flight Reliability
F9 3456 · Frontier Airlines
Las Vegas → Dallas–Fort Worth (LAS–DFW)
86
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 0%
- Cancelled
- 20 min early
- Median arrival delay
Based on 88 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
F9 3456 departing between 9 AM–12 PM arrived on time 92% of the time, versus 60% between 12–3 PM.
Friday is doing you no favors.
F9 3456 arrived on time 94% of the time on Saturdays and just 61% on Fridays. That gap is worth planning around.
Better than the Frontier Airlines network average.
F9 3456 arrived on time 83% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(9 flights)
- Tue—(6 flights)
- Wed—(9 flights)
- Thu—(9 flights)
- Fri61%(18 flights)
- Sat94%(18 flights)
- Sun78%(18 flights)
- 6–9 AM—(4 flights)
- 9 AM–12 PM92%(12 flights)
- 12–3 PM60%(15 flights)
- 3–6 PM75%(12 flights)
- 6–9 PM86%(21 flights)
- 9 PM–12 AM91%(23 flights)
- Departures on time
- 81%
- Diverted
- 1.1%
- Flights flown
- 87
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 88 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.