Alaska Airlines Increases Seattle – Seoul Service in NS26

NS26Oneworld
Written By AeroRoutes - Jim Liu

Published at 0500PDT / 1200GMT 20OCT25

Alaska Airlines in Northern summer 2026 season plans to expand service on Seattle – Seoul Incheon route, operated by Hawaiian Airlines.

Additional frequency will be added on Mondays, effective 30MAR26, with 787-9. Previously reported, Hawaiian Airlines’ HA-coded flight numbers will shift to AS from 22APR26.

AS871 SEA1440 – 1835+1ICN 789 x2
AS872 ICN2035 – 1430SEA 789 x2

AeroRoutes - Jim Liu

Jim previously launched and ran Airlineroute between 2007 and 2020, now owns and runs AeroRoutes.

https://aeroroutes.com
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