Alaska Airlines NS26 Seattle – Seoul Service Changes
Published at 1400PDT / 2100GMT 28OCT25
Alaska Airlines in Northern summer 2026 season plans to adjust service on Seattle – Seoul Incheon route. As of 27OCT25 further revised operational flight numbers for travel on/after 22APR26, from AS(HA)871/872 to AS171/172.
With the flight number change, the new remark for this route is “operated by Alaska; check-in with Alaska Airlines”, instead of previous remark “operated by Alaska as Hawaiian Airlines; check-in with Hawaiian Airlines”.
AS171 SEA1440 – 1835+1ICN 789 x2
AS172 ICN2035 – 1430SEA 789 x2

