SEA → KOASeattle to Kailua-Kona

live

Direct flights from Seattle (SEA) to Kailua-Kona (KOA): 21 nonstop departures observed each week across 2 airlines. The nonstop covers 4,327 km, an estimated 6 hours 3 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Kailua-Kona. Updated 1 November 2026 at 19:22 UTC.

Today, SEA → KOA

Sun 1 Nov · local times
  1. 10:00 AS393Alaska Departed ·
  2. 13:37 AS362Alaska On scheduleGate D3 ·
  3. 14:30 DL340Delta Air Lines On scheduleGate A14 ·
  4. 18:59 AS238Alaska On scheduleGate D1 ·

Checked SEA board 11:22 · KOA board 06:33

SEA Seattle smooth · +0
KOA Kailua-Kona tracking
4,327 km · ~6h 03m est.
dep bank 10:02–17:5021x weekly
Running clean · 2 airlines · 21x weekly · nonstop
100 / 100

route health from live SEA and KOA delay boards

Flight time~6h 03mestimated from route distance
Weekly departures21x2 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air Lines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS

Flights AS709 varies daily · AS238 17:50 daily

Delta Air LinesDL

Flights DL340 14:30 daily

Airports right now

live boards
SEASeattle +0 min smooth ⛅ overcast · NW 3 kt Full SEA delay board →
KOAKailua-Kona tracking 🌤 overcast · NE 9 kt Full KOA delay board →

Weather lens

Conditions are tightest at KOA: a 32% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +9 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Seattle to Kailua-Kona route actually runs

Pro Flight Search records official board updates for nonstop SEA to KOA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: Seattle (SEA) to Kailua-Kona (KOA) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-KOA
How we measure this →

SEA to KOA questions

Is SEA–KOA running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–KOA?

Operators schedule evening departures around 17:50 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the KOA delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to KOA?

Great-circle distance is 4,327 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 335–401 min gate-to-gate on this route.

How often does SEA–KOA fly?

2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.