SEA → HNLSeattle to Honolulu

live

Direct flights from Seattle (SEA) to Honolulu (HNL): 67 nonstop departures observed each week across 2 airlines. 3 of the 3 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 5 November 2026 at 09:22 UTC.

Today, SEA → HNL

Thu 5 Nov · local times
  1. 07:00 AS121Alaska On scheduleGate S9 ·
  2. 08:25 DL351Delta Air Lines On scheduleGate A11 ·
  3. 09:05 AS899Alaska Cancelled ·
  4. 11:55 AS626Alaska On scheduleGate D3 ·
  5. 13:00 AS821Alaska On scheduleGate N14 ·
  6. 16:15 AS853Alaska Sched 16:15Departure not confirmed by the board ·
  7. 16:36 DL419Delta Air Lines Sched 16:36Departure not confirmed by the board ·
  8. 18:35 AS724Alaska Sched 18:35Departure not confirmed by the board ·

Checked SEA board 01:22 · HNL board 22:18

SEA Seattle smooth · +13
HNL Honolulu smooth · +1
4,308 km · ~6h 01m est.
dep bank 07:45–20:4567x weekly
Running clean · 2 airlines · 67x weekly · nonstop
91 / 100

route health from live SEA and HNL delay boards

3 of 3 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Flight time~6h 01mestimated from route distance
Weekly departures67x2 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 AS121 varies daily · AS626 varies daily · AS899 varies daily · AS821 13:00 daily

Delta Air LinesDL

Flights DL351 08:25 daily · DL419 16:36 daily

History

operated legs · board outcomes
11-05AS899cancelledCNX
11-04AS899cancelledCNX
11-02AS853cancelledCNX

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 +13 min smooth 🌤 scattered clouds · SSW 16 kt Full SEA delay board →
HNLHonolulu +1 min smooth 🌤 mostly cloudy · NE 8 kt Full HNL delay board →

Weather lens

Conditions are tightest at HNL: a 36% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +8 min. Both figures come from the two airports' delay records in similar weather. 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. The departure side at SEA is the weaker end, route health score 91/100. 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 08:25 and evening departures around 18:35 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 67 flights a week between them. Compare carrier days and times in the airline list above.