AS278 PortlandPDX · 17:55 Los AngelesLAX · 20:34
AS278 by Alaska Airlines flies from Portland (PDX) to Los Angeles (LAX) for the Tue, Sep 8 departure.
arrived at LAX · 17 min early
⚖ AS278 typically leaves −2 and lands −17. The air wins minutes back.Where the minutes go
last 7 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 −17 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PDX and LAX 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 Portland to Los Angeles flights today
same route · Alaska AirlinesIf AS278 is cancelled, these are the other Alaska Airlines nonstop flights from Portland to Los Angeles on the same day, with scheduled departure times in PDX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How AS278 actually runs
Pro Flight Search has tracked every published board update for AS278 across the PDX and LAX boards: schedule changes, gate pushes and actual clocks. Usually lands ~17 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how AS278 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: N260AK, N516AS, N247AK, N523AS.
Board clocks recorded as PDX and LAX published them.
Planning around AS278? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — AS278 Portland to Los Angeles on-time performance, measured from the PDX and LAX airport boards.
https://proflightsearch.com/flight/AS278
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