IAD → ICNWashington to Seoul

live

Direct flights from Washington (IAD) to Seoul (ICN): 10 nonstop departures observed each week across 2 airlines. 92% of the last 13 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 13 tracked flights. The nonstop covers 11,174 km, an estimated 14 hours 50 minutes in the air. Measured by Pro Flight Search from live flight boards at Washington and Seoul. Updated 11 September 2026 at 10:25 UTC.

IAD Washington busy · +27
ICN Seoul smooth · +0
11,174 km · ~14h 50m est.
dep bank 13:15–13:2010x weekly
Runs reliable · 2 airlines · 10x weekly · nonstop
92% on time

of the last 13 operated IAD → ICN flights arrived within 15 minutes

Median arrival delay is +0 min. 0 of 13 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+0 minacross the last 13 operated legs
Flight time~14h 50mestimated from route distance
Weekly departures10x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 13

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Korean AirPerimeter Aviation

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
Korean AirKE86% on time

Flights KE94 13:15 daily

Perimeter AviationYP

Flights YP136 13:20 Mo We Fr

History

operated legs · board outcomes
09-10KE94dep +28 → arr+19
09-09APZ136departed+0
09-09KE94dep +17 → arr+14
09-09YP136arrived−9
09-08KE94arrived+3
09-07APZ136departed+0
09-07KE94dep +37 → arr−1
09-07YP136arrived−23
09-06KE94dep +46 → arr+4
09-05KE94dep +29 → arr−15
09-04APZ136departed+0
09-04KE94dep +23 → arr+13
09-04YP136arrived−18

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
IADWashington +27 min busy 🌫 overcast · N 0 kt Full IAD delay board →
ICNSeoul +0 min smooth Full ICN delay board →

Weather lens

Current conditions put the pressure at IAD: 28% odds of a 15+ minute delay and around +7 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Washington to Seoul route actually runs

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

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

IAD to ICN questions

Is IAD–ICN running on time right now?

Mostly on schedule. The departure side at IAD is the weaker end, route health score 79/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on IAD–ICN?

Operators schedule 2 departures from IAD. 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 IAD to ICN?

Great-circle distance is 11,174 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 819–988 min gate-to-gate on this route.

How often does IAD–ICN fly?

2 carriers operate this route, around 10 flights a week between them. Compare carrier days and times in the airline list above.