AS404 Kailua-KonaKOA · 15:51 San FranciscoSFO · 23:59
AS404 by Alaska Airlines flies from Kailua-Kona (KOA) to San Francisco (SFO) for the Mon, Sep 14 departure.
arrival expected at SFO · 5 min early
board checked 16m ago · checking again in 45s
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at KOA and SFO 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.
How AS404 actually runs
Pro Flight Search has tracked every published board update for AS404 across the KOA and SFO boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -25 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AS404 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: N961AK, N954AK, N720AL.
Board clocks recorded as KOA and SFO published them.
Planning around AS404? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — AS404 Kailua-Kona to San Francisco on-time performance, measured from the KOA and SFO airport boards.
https://proflightsearch.com/flight/AS404
.