About 5 in 10 AS 2023 flights from San Francisco arrived 15+ minutes late, diverted or cancelled over the past year (52%); 6.5% were cancelled. The typical flight landed 12 minutes late.
AS 2023: SFO → PDX
Scheduled to leave San Francisco at 10:08 p.m. local time, operated by Horizon Air as QX 2023. Over the past year it arrived on time 48% of the time (214 flights), better than other AS flights on the route at that hour (35%). Last seen in the data Aug 31, 2026.
Usually Alaska Airlines's last flight of the day from San Francisco to Portland (100% of days). Alaska Airlines's last SFO–PDX flight was cancelled 4.1% of the time, against 0.6% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 7:20 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 44% |
| Tuesday | 25 | 60% |
| Wednesday | 26 | 42% |
| Thursday | 32 | 44% |
| Friday | 33 | 48% |
| Saturday | 30 | 67% |
| Sunday | 34 | 35% |
Why it was late
All flights SFO → PDX · Connecting off AS 2023? Check the risk
Questions
How often is AS 2023 from SFO to PDX late?
Alaska Airlines 2023 from San Francisco, CA to Portland, OR arrived 15 or more minutes late, was diverted or was cancelled on 52% of 214 scheduled flights between September 2025 and August 2026. 6.5% 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.