Flight Reliability
F9 3383 · Frontier Airlines
San Diego → San Francisco (SAN–SFO)
0
Bring Snacks
WanderNerd Reliability Score
- 37%
- Arrive within 15 minutes
- 41 min
- Average arrival delay
- 10.6%
- Cancelled
- 33 min
- Median arrival delay
Based on 104 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
F9 3383 departing between 6–9 PM arrived on time 44% of the time, versus 0% between 9 AM–12 PM.
Sunday scaries are real for this one.
F9 3383 arrived on time 88% of the time on Saturdays and just 19% on Sundays. That gap is worth planning around.
Well behind the SAN–SFO route.
F9 3383 arrived on time 37% of the time, versus 68% across the SAN–SFO route.
Well behind the Frontier Airlines network.
F9 3383 arrived on time 37% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon33%(18 flights)
- Tue—(3 flights)
- Wed—(4 flights)
- Thu38%(16 flights)
- Fri20%(20 flights)
- Sat88%(16 flights)
- Sun19%(16 flights)
- 9 AM–12 PM0%(11 flights)
- 3–6 PM39%(49 flights)
- 6–9 PM44%(32 flights)
- 9 PM–12 AM—(1 flights)
23%
May
Jun 32% → May 23% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 32% | 19 |
| July 2025 | 37% | 19 |
| August 2025 | 58% | 12 |
| May 2026 | 23% | 26 |
- Departures on time
- 31%
- Diverted
- 0%
- Flights flown
- 93
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 104 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.