Alaska Airlines
AS128Portland to San Francisco
Alaska Airlines flight AS128 flies from Portland (PDX) to San Francisco (SFO), 886 km. Over August 2025 to April 2026 it usually arrives about 6 minutes late: 81% of 231 flights arrived within 15 minutes of schedule and 1.3% were cancelled (US Department of Transportation data).
On-time record, last 12 months
81%
on time (within 15 min)
11%
more than 30 min late
1.3%
cancelled
+6 min
average arrival vs schedule
Every operation of AS128, August 2025 to April 2026: 231 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS128
- Portland (PDX) to San Francisco (SFO)230 flights
- Atlanta (ATL) to Seattle Tacoma (SEA)1 flights
Other flights from Portland to San Francisco
More about Portland (PDX) and San Francisco (SFO).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
Dark badge, HTML
<a href="https://tripstow.com/flights/as128" title="AS128 is on time 81% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as128.svg" alt="AS128 is on time 81% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/as128" title="AS128 is on time 81% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as128.svg?theme=light" alt="AS128 is on time 81% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/as128)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free