Flight Reliability
F9 3303 · Frontier Airlines
Phoenix → Los Angeles (PHX–LAX)
77
Usually Fine
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 3.1%
- Cancelled
- 9 min early
- Median arrival delay
Based on 98 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
F9 3303 departing between 6–9 AM arrived on time 90% of the time, versus 71% between 9 AM–12 PM.
Sunday scaries are real for this one.
F9 3303 arrived on time 100% of the time on Saturdays and just 58% on Sundays. That gap is worth planning around.
Better than the Frontier Airlines network average.
F9 3303 arrived on time 81% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon77%(17 flights)
- Tue—(9 flights)
- Wed92%(12 flights)
- Thu77%(13 flights)
- Fri62%(13 flights)
- Sat100%(19 flights)
- Sun58%(12 flights)
- 6–9 AM90%(19 flights)
- 9 AM–12 PM71%(14 flights)
- 12–3 PM76%(29 flights)
- 3–6 PM84%(32 flights)
- 6–9 PM—(1 flights)
91%
Feb
Sep 70% → Feb 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| September 2025 | 70% | 10 |
| October 2025 | 70% | 27 |
| November 2025 | 82% | 11 |
| December 2025 | 86% | 21 |
| February 2026 | 91% | 11 |
- Departures on time
- 80%
- Diverted
- 0%
- Flights flown
- 95
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 98 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.