Flight Reliability
F9 4863 · Frontier Airlines
Denver → Palm Springs (DEN–PSP)
86
Pretty Reliable
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 0%
- Cancelled
- 2 min
- Median arrival delay
Based on 55 historical flights. Data through May 2026.
What the data says
Skip Monday if you can.
F9 4863 arrived on time 83% of the time on Fridays. On Mondays: 72%.
A bit ahead of the Frontier Airlines network.
F9 4863 arrived on time 78% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon72%(25 flights)
- Tue—(1 flights)
- Wed—(0 flights)
- Thu—(0 flights)
- Fri83%(23 flights)
- Sat—(2 flights)
- Sun—(4 flights)
- Departures on time
- 86%
- 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.