AS3129 SpokaneGEG · 08:23 SeattleSEA · 09:40
AS3129 by Alaska Airlines flies from Spokane (GEG) to Seattle (SEA) for the Fri, Oct 9 departure.
en route from GEG to SEA
board checked 31m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 08:58.
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival +128 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at GEG and SEA 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Spokane to Seattle flights today
same route · Alaska AirlinesIf AS3129 is cancelled, these are the other Alaska Airlines nonstop flights from Spokane to Seattle on the same day, with scheduled departure times in GEG local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS3129 actually runs
Pro Flight Search has tracked every published board update for AS3129 across the GEG and SEA boards: schedule changes, gate pushes and actual clocks. Usually lands ~142 min late. Based on 1 confirmed landing · 0/1 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AS3129 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N171SY, N413SY, N411SY, N187SY.
Board clocks recorded as GEG and SEA published them.
Planning around AS3129? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS3129 Spokane to Seattle on-time performance, measured from the GEG and SEA airport boards.
https://proflightsearch.com/flight/AS3129
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