Flight Reliability
F9 3587 · Frontier Airlines
Philadelphia → Los Angeles (PHL–LAX)
64
A Little Dicey
WanderNerd Reliability Score
- 61%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 0%
- Cancelled
- 7 min
- Median arrival delay
Based on 106 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
F9 3587 arrived on time 70% of the time on Mondays and just 55% on Sundays. That gap is worth planning around.
Well behind the PHL–LAX route.
F9 3587 arrived on time 61% of the time, versus 79% across the PHL–LAX route.
Lagging the Frontier Airlines network.
F9 3587 arrived on time 61% of the time, versus 73% across the Frontier Airlines network.
It basically never cancels.
Out of 106 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon70%(10 flights)
- Tue—(0 flights)
- Wed64%(11 flights)
- Thu67%(21 flights)
- Fri57%(21 flights)
- Sat62%(21 flights)
- Sun55%(22 flights)
80%
Oct
Jun 38% → Oct 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 38% | 21 |
| July 2025 | 50% | 22 |
| August 2025 | 64% | 22 |
| September 2025 | 76% | 21 |
| October 2025 | 80% | 20 |
- Departures on time
- 66%
- Diverted
- 0%
- Flights flown
- 106
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 106 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.