About 5 in 10 AS 291 flights from San Diego arrived 15+ minutes late, diverted or cancelled over the past year (55%); 2.1% were cancelled. The typical flight landed 20 minutes late.
AS 291: SAN → SFO
Scheduled to leave San Diego at 9:27 p.m. local time. Over the past year it arrived on time 45% of the time (146 flights), better than other AS flights on the route at that hour (41%). Last seen in the data Aug 31, 2026.
Usually Alaska Airlines's last flight of the day from San Diego to San Francisco (100% of days). Alaska Airlines's last SAN–SFO flight was cancelled 3.6% of the time, against 2.3% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 8:04 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 21 | 33% |
| Tuesday | 20 | 75% |
| Wednesday | 21 | 57% |
| Thursday | 20 | 20% |
| Friday | 22 | 32% |
| Saturday | 20 | 70% |
| Sunday | 22 | 32% |
Why it was late
All flights SAN → SFO · Connecting off AS 291? Check the risk
Questions
How often is AS 291 from SAN to SFO late?
Alaska Airlines 291 from San Diego, CA to San Francisco, CA arrived 15 or more minutes late, was diverted or was cancelled on 55% of 146 scheduled flights between September 2025 and August 2026. 2.1% 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.