SEA → HNLSeattle to Honolulu

live

Direct flights from Seattle (SEA) to Honolulu (HNL): 14 nonstop departures observed each week across 2 airlines. The median arrival is 17 minutes early. 2 of the 4 tracked flights were cancelled. The nonstop covers 4,308 km, an estimated 6 hours 1 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Honolulu. Updated 9 September 2026 at 15:26 UTC.

SEA Seattle smooth · +0
HNL Honolulu smooth · +0
4,308 km · ~6h 01m est.
dep bank 07:20–20:5214x weekly
Running clean · 2 airlines · 14x weekly · nonstop
100 / 100

route health from live SEA and HNL delay boards

Median arrival delay is −17 min. 2 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−17 minacross the last 4 operated legs
Flight time~6h 01mestimated 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 AS821 07:20 daily · AS626 10:34 daily · AS899 13:30 daily · AS121 16:15 Mo Tu We Th Fr Su

Delta Air LinesDL

Flights DL351 08:25 daily · DL419 16:05 daily

History

operated legs · board outcomes
09-09AS121cancelledCNX
09-08AS121cancelledCNX
09-08AS1879arrived−17
09-08AS821dep +17 → arr−72

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 +0 min smooth 🌤 mostly cloudy · N 0 kt Full SEA delay board →
HNLHonolulu +0 min smooth 🌤 clear · NNW 3 kt Full HNL delay board →

Weather lens

Current conditions put the pressure at SEA: 33% odds of a 15+ minute delay and around +2 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 Honolulu route actually runs

Pro Flight Search records official board updates for nonstop SEA to HNL 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 Honolulu (HNL) route reliability, measured from operated flights on official airport boards.

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

SEA to HNL questions

Is SEA–HNL 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–HNL?

Operators schedule morning departures around 07:20 and evening departures around 18:15 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the HNL delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to HNL?

Great-circle distance is 4,308 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 334–399 min gate-to-gate on this route.

How often does SEA–HNL fly?

2 carriers operate this route, around 54 flights a week between them. Compare carrier days and times in the airline list above.