WN4300 OaklandOAK · 18:40 SeattleSEA · 20:45
WN4300 by Southwest Airlines flies from Oakland (OAK) to Seattle (SEA).
scheduled from OAK
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at OAK 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 Oakland to Seattle flights today
same route · Southwest AirlinesIf WN4300 is cancelled, these are the other Southwest Airlines nonstop flights from Oakland to Seattle on the same day, with scheduled departure times in OAK local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4300 actually runs
Pro Flight Search has tracked every published board update for WN4300 across the OAK and SEA boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: departed +48 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4300 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: N8551Q.
Board clocks recorded as OAK and SEA published them.
Planning around WN4300? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN4300 Oakland to Seattle on-time performance, measured from the OAK and SEA airport boards.
https://proflightsearch.com/flight/WN4300
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