Flight Reliability
AS 3352 · Alaska Airlines
San Diego → San Francisco (SAN–SFO)88% of its flights flew this route. The rest (PSC–SEA, PDX–BZN) are included in these numbers.
- 78%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 221 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
AS 3352 departing between 3–6 PM arrived on time 86% of the time, versus 77% between 12–3 PM.
Friday is doing you no favors.
AS 3352 arrived on time 94% of the time on Tuesdays and just 65% on Fridays. That gap is worth planning around.
Better than the SAN–SFO route average.
AS 3352 arrived on time 78% of the time, versus 68% across the SAN–SFO route.
It basically never cancels.
Out of 221 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon77%(35 flights)
- Tue94%(35 flights)
- Wed79%(33 flights)
- Thu72%(36 flights)
- Fri65%(34 flights)
- Sat92%(12 flights)
- Sun77%(34 flights)
- 9 AM–12 PM—(5 flights)
- 12–3 PM77%(187 flights)
- 3–6 PM86%(21 flights)
- 9 PM–12 AM—(6 flights)
Jun 59% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 59% | 27 |
| July 2025 | 54% | 26 |
| August 2025 | 82% | 28 |
| September 2025 | 87% | 30 |
| January 2026 | 100% | 20 |
| February 2026 | 80% | 10 |
| March 2026 | 92% | 12 |
| April 2026 | 85% | 26 |
| May 2026 | 68% | 22 |
- Departures on time
- 79%
- Diverted
- 0.9%
- Flights flown
- 219
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 221 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.