SEA → KOASeattle to Kailua-Kona

live

Direct flights from Seattle (SEA) to Kailua-Kona (KOA): 14 nonstop departures observed each week across 2 airlines. 100% of the last 6 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes late. No cancellations were recorded across the 6 tracked flights. 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 10 October 2026 at 13:22 UTC.

SEA Seattle busy · +23
KOA Kailua-Kona tracking
4,327 km · ~6h 03m est.
dep bank 10:00–17:5014x weekly
Runs reliable · 2 airlines · 14x weekly · nonstop
100% on time

of the last 6 operated SEA → KOA flights arrived within 15 minutes

Median arrival delay is +5 min. 0 of 6 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+5 minacross the last 6 operated legs
Flight time~6h 03mestimated from route distance
Weekly departures14x2 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 10:00 daily · AS238 varies daily

Delta Air LinesDL

Flights DL340 14:30 daily

History

operated legs · board outcomes
10-09AS238arrived−28
10-09AS709arrived−17
10-09DL340arrived+9
10-08AS238arrived−24
10-08AS709dep +53 → arr+13
10-08DL340dep +28 → arr+5

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +23 min busy ⛅ overcast · S 3 kt Full SEA delay board →
KOAKailua-Kona tracking ⛅ overcast · SSW 7 kt Full KOA delay board →

Weather lens

Current conditions put the pressure at KOA: 42% odds of a 15+ minute delay and around +34 min expected when it bites, measured from this route's own weather-matched delay history. 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?

Mostly on schedule. The departure side at SEA is the weaker end, route health score 69/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–KOA?

Operators schedule morning departures around 10:00 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.