Alaska Airlines
AS153Portland to Seattle
Alaska Airlines flight AS153 flies from Portland (PDX) to Seattle Tacoma (SEA), 208 km. Over August 2025 to March 2026 it usually arrives about 2 minutes late: 82% of 90 flights arrived within 15 minutes of schedule and 2.2% were cancelled (US Department of Transportation data).
On-time record, last 12 months
82%
on time (within 15 min)
9%
more than 30 min late
2.2%
cancelled
+2 min
average arrival vs schedule
Every operation of AS153, August 2025 to March 2026: 90 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS153
Other flights from Portland to Seattle
More about Portland (PDX) and Seattle Tacoma (SEA).
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/as153" title="AS153 is on time 82% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as153.svg" alt="AS153 is on time 82% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/as153" title="AS153 is on time 82% of the time on TripStow"><img src="https://tripstow.com/badge/flights/as153.svg?theme=light" alt="AS153 is on time 82% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/as153)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