AS3204 SeattleSEA PortlandPDX
AS3204 by Alaska Airlines flies from Seattle (SEA) to Portland (PDX).
scheduled from SEA
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SEA and PDX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow on this route
ForecastSeattle to Portland with Alaska Airlines · Thu 29 Oct, local date
- Chance a departure is cancelled
- 0.7%0.8× usual
- Chance a departure leaves 60+ min late
- 9.8%1.0× usual
Forecast weather: 92% chance of rain at Seattle; 34% chance of fog and 92% chance of rain at Portland
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to Portland flights today
same route · Alaska AirlinesIf AS3204 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Portland on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS3204 actually runs
Pro Flight Search has tracked every published board update for AS3204 across the SEA and PDX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 37.6/100. Based on airport operations, weather, and cached board history at SEA and PDX.
The verdict above is that record speaking, so it reflects how AS3204 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AS3204? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS3204 Seattle to Portland on-time performance, measured from the SEA and PDX airport boards.
https://proflightsearch.com/flight/AS3204
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