Asiana AirlinesOZ86% on time
Flights OZ522 16:35 daily
live
Direct flights from London (LHR) to Seoul (ICN): 21 nonstop departures observed each week across 3 airlines. 90% of the last 20 operated flights arrived within 15 minutes of schedule. The median arrival is 59 minutes early. 1 of the 20 tracked flights was cancelled. The nonstop covers 8,861 km, an estimated 11 hours 52 minutes in the air. Measured by Pro Flight Search from live flight boards at London and Seoul. Updated 9 September 2026 at 05:18 UTC.
LHR
London
disrupted · +170
ICN
Seoul
smooth · +0
8,861 km · ~11h 52m est.
Runs reliable · 3 airlines · 21x weekly · nonstop
90% on time
of the last 20 operated LHR → ICN flights arrived within 15 minutes
Median arrival delay is −59 min. 1 of 20 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−59 minacross the last 20 operated legs
Flight time~11h 52mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled5.0%recent route rate · 1 of 20
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Asiana AirlinesKorean AirVirgin Atlantic
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 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at LHR: 24% odds of a 15+ minute delay and around +-2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the London to Seoul route actually runs
Pro Flight Search records official board updates for nonstop LHR 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 — London (LHR) to Seoul (ICN) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/LHR-ICN
LHR to ICN questions
Is LHR–ICN running on time right now?
Significant delay risk. The departure side at LHR is the weaker end, route health score 50/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on LHR–ICN?
Operators schedule evening departures around 19:35 from LHR. 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 LHR to ICN?
Great-circle distance is 8,861 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 655–790 min gate-to-gate on this route.
How often does LHR–ICN fly?
3 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.
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