Flight Reliability
F9 4864 · Frontier Airlines
Palm Springs → Denver (PSP–DEN)
92
Nerd Approved
WanderNerd Reliability Score
- 86%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 55 historical flights. Data through May 2026.
What the data says
Monday is the weak spot.
F9 4864 arrived on time 87% of the time on Fridays. On Mondays: 80%.
A bit ahead of the PSP–DEN route.
F9 4864 arrived on time 86% of the time, versus 81% across the PSP–DEN route.
Better than the Frontier Airlines network average.
F9 4864 arrived on time 86% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon80%(25 flights)
- Tue—(1 flights)
- Wed—(0 flights)
- Thu—(0 flights)
- Fri87%(23 flights)
- Sat—(2 flights)
- Sun—(4 flights)
- 9 AM–12 PM86%(22 flights)
- 12–3 PM85%(33 flights)
- Departures on time
- 75%
- Diverted
- 0%
- Flights flown
- 55
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 55 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.