Flight Reliability
F9 4945 · Frontier Airlines
Denver → Los Angeles (DEN–LAX)
87
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 38 historical flights. Data through May 2026.
What the data says
A bit ahead of the Frontier Airlines network.
F9 4945 arrived on time 79% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon—(7 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(7 flights)
- Fri—(7 flights)
- Sat90%(10 flights)
- Sun—(7 flights)
- 9 AM–12 PM—(2 flights)
- 12–3 PM—(1 flights)
- 3–6 PM80%(35 flights)
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 38
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 38 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.