SEA → ICNSeattle to Seoul

live

Direct flights from Seattle (SEA) to Seoul (ICN): 24 nonstop departures observed each week across 3 airlines. 88% of the last 25 tracked flights arrived within 15 minutes of schedule. The median arrival is 30 minutes early. No cancellations were recorded across the 25 tracked flights. The nonstop covers 8,374 km, an estimated 11 hours 14 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Seoul. Updated 15 November 2026 at 11:52 UTC.

Today, SEA → ICN

Sun 15 Nov · local times
  1. 11:00 KE42KOREAN AIRLINES On scheduleGate S15 ·
  2. 12:30 DL197DELTA AIR LINES On scheduleGate S16 ·
  3. 12:40 AS119Alaska Airlines On scheduleGate N14 ·

Checked SEA board 03:11 · ICN board 20:52

SEA Seattle disrupted · +63
ICN Seoul smooth · +0
8,374 km · ~11h 14m est.
dep bank 00:10–12:4024x weekly
Runs reliable · 3 airlines · 24x weekly · nonstop
88% on time

of the last 25 tracked SEA → ICN flights arrived within 15 minutes

Median arrival delay is −30 min. 0 of 25 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−30 minacross the last 25 arrivals
Flight time~11h 14mestimated from route distance
Weekly departures24x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 25

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesDelta Air LinesKorean Air

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 AirlinesAS60% on time

Flights AS119 12:40 We Th Fr Sa Su

Delta Air LinesDL86% on time

Flights DL197 12:30 daily

Korean AirKE100% on time

Flights KE48 00:10 Mo Tu We Fr Sa · KE42 11:00 daily

History

operated legs · board outcomes
11-14AS119arrived−31
11-14DL197arrived−30
11-14KE42arrived−14
11-14KE48arrived−32
11-13AS119dep +214 → arr+165
11-13DL197dep +91 → arr+193
11-13KE42dep +29 → arr−11
11-13KE48arrived−59
11-12AS119arrived−22
11-12DL197arrived−45
11-12KE42arrived−12
11-11AS119arrived−42
11-11DL197arrived−58
11-11KE42arrived−27
11-11KE48arrived−79
11-10DL197arrived−33
11-10KE42arrived+2
11-10KE48arrived−45
11-09DL197arrived−37
11-09KE42arrived+0
11-09KE48arrived−53
11-08AS119arrived+21
11-08DL197arrived−12
11-08KE42arrived−38
11-07KE48arrived−23

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 +63 min disrupted 🌤 mostly cloudy · S 15 kt Full SEA delay board →
ICNSeoul +0 min smooth Full ICN delay board →

How the Seattle to Seoul route actually runs

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

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

SEA to ICN questions

Is SEA–ICN running on time right now?

Some delays possible. The departure side at SEA is the weaker end, route health score 58/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–ICN?

Operators schedule morning departures around 00:10 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ICN delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to ICN?

Great-circle distance is 8,374 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 621–748 min gate-to-gate on this route.

How often does SEA–ICN fly?

3 carriers operate this route, around 24 flights a week between them. Compare carrier days and times in the airline list above.