AS9284 LondonLHR SeattleSEA
AS9284 by Alaska Airlines flies from London (LHR) to Seattle (SEA).
scheduled from LHR
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LHR 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 London to Seattle flights today
same route · Alaska AirlinesIf AS9284 is cancelled, this is the other Alaska Airlines nonstop flight from London to Seattle on the same day, with scheduled departure times in LHR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS9284 actually runs
Pro Flight Search has tracked every published board update for AS9284 across the LHR and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at LHR and SEA.
The verdict above is that record speaking, so it reflects how AS9284 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around AS9284? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS9284 London to Seattle on-time performance, measured from the LHR and SEA airport boards.
https://proflightsearch.com/flight/AS9284
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