AS457 Los AngelesLAX · 08:35 SeattleSEA · 11:29
AS457 by Alaska Airlines flies from Los Angeles (LAX) to Seattle (SEA).
estimated arrival at SEA · local time · ~31 min from now
position updated 3m ago · checking again in 90s
Live position · flown path, last 5h 26m
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 −21 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at LAX 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Los Angeles to Seattle flights today
same route · Alaska AirlinesIf AS457 is cancelled, these are the other Alaska Airlines nonstop flights from Los Angeles to Seattle on the same day, with scheduled departure times in LAX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS457 actually runs
Pro Flight Search has tracked every published board update for AS457 across the LAX and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs ~9 min late. Based on 6 confirmed departures · 5/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how AS457 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: N903AK, N839AK, N548AS, N566AS.
Board clocks recorded as LAX and SEA published them.
Planning around AS457? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS457 Los Angeles to Seattle on-time performance, measured from the LAX and SEA airport boards.
https://proflightsearch.com/flight/AS457
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