About 1 in 2 AS 3347 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (45%); 1.8% were cancelled. The typical flight landed 6 minutes late.
AS 3347: SAN → SFO
Scheduled to leave San Diego at 11:04 a.m. local time, operated by SkyWest as OO 3347. Over the past year it arrived on time 55% of the time (276 flights), better than other AS flights on the route at that hour (38%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 41 | 54% |
| Tuesday | 40 | 60% |
| Wednesday | 41 | 56% |
| Thursday | 39 | 51% |
| Friday | 40 | 45% |
| Saturday | 35 | 66% |
| Sunday | 40 | 55% |
Why it was late
All flights SAN → SFO · Connecting off AS 3347? Check the risk
Questions
How often is AS 3347 from SAN to SFO late?
Alaska Airlines 3347 from San Diego, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 45% of 276 scheduled flights between September 2025 and August 2026. 1.8% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.