AS204Alaska Airlines · SEA → KOA
live · 22m ago
Route confirmed Alaska Airlines

AS204 SeattleSEA · 11:27 Kailua-KonaKOA · 14:35

AS204 by Alaska Airlines flies from Seattle (SEA) to Kailua-Kona (KOA).

Right nowNext departure tomorrow Operates daily
11:27

scheduled from SEA

Typical arrival−16 minmedian over 5 operations

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
08-18
−9 arrival
08-17
−25 arrival
08-16
−16 arrival
08-15
CANCELLED
08-14
−26 arrival
08-13
+28 arrival

The 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 operation

median arrival −16 min · 1 cancelled · 6 operations tracked

The route today

live boards
SEASeattleOn-time likelySEA delay board →
KOAKailua-KonaOn-time likelyKOA delay board →
SEA→KOAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
0.6%Chance of cancellation
+9 minAvg hub delay right now

Conditions at SEA and KOA 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seattle to Kailua-Kona flights today

same route · Alaska Airlines
AS518departs 10:03
AS238departs 15:59
AS200departs 18:59

If AS204 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Kailua-Kona on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AS204 actually runs

Pro Flight Search has tracked every published board update for AS204 across the SEA and KOA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SEA and KOA.

The verdict above is that record speaking, so it reflects how AS204 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
08-18SEA 11:27KOA 14:35 14:26 (−9)
08-17SEA 11:27KOA 14:35 14:10 (−25)
08-16SEA 11:27KOA 14:35 14:19 (−16)
08-15CANCELLED
08-14SEA 11:27KOA 14:35 14:09 (−26)
08-13SEA 11:27KOA 14:35 15:03 (+28)

Aircraft

Recent tails: N413AS, N935AK, N982AK, N722AL.

Board clocks recorded as SEA and KOA published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — AS204 Seattle to Kailua-Kona on-time performance, measured from the SEA and KOA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS204
How we measure this →