Flight Reliability
AS 912 · Alaska Airlines
San Francisco → San Diego (SFO–SAN)
95
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 124 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AS 912 arrived on time 94% of the time on Tuesdays and just 71% on Sundays. That gap is worth planning around.
Well ahead of the SFO–SAN route.
AS 912 arrived on time 87% of the time, versus 69% across the SFO–SAN route.
A bit ahead of the Alaska Airlines network.
AS 912 arrived on time 87% of the time, versus 80% across the Alaska Airlines network.
It basically never cancels.
Out of 124 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon83%(18 flights)
- Tue94%(18 flights)
- Wed89%(18 flights)
- Thu94%(18 flights)
- Fri83%(18 flights)
- Sat94%(17 flights)
- Sun71%(17 flights)
83%
Sep
Jun 80% → Sep 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 94% | 31 |
| August 2025 | 90% | 31 |
| September 2025 | 83% | 29 |
- Departures on time
- 91%
- Diverted
- 0%
- Flights flown
- 124
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 124 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.