ICN → LHRSeoul to London

live

Direct flights from Seoul (ICN) to London (LHR): 21 nonstop departures observed each week across 3 airlines. 100% of the last 21 tracked flights arrived within 15 minutes of schedule. The median arrival is 19 minutes early. No cancellations were recorded across the 24 tracked flights. 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 Seoul and London. Updated 3 November 2026 at 05:19 UTC.

Today, ICN → LHR

Tue 3 Nov · local times
OZ521Asiana AirlinesIn the air, 28 min late

Left ICN at 10:08, 28 min after its 09:40 slot.

Landing
14:58LHR board estimate · sched 15:35
Track OZ521 →
KE907Korean AirIn the air, 28 min late

Left ICN at 11:08, 28 min after its 10:40 slot.

Landing
15:55LHR board estimate · sched 16:30
Track KE907 →
  1. 09:40 OZ521Asiana Airlines Left 10:08 +28 LHR est. 14:58In the air · sched 15:35
  2. 10:40 KE907Korean Air Left 11:08 +28 LHR est. 15:55In the air · sched 16:30
  3. 13:30 VS209Virgin Atlantic Left 14:16 +46 LHR est. 19:13 +18In the air · sched 18:55

Checked ICN board 14:19 · LHR board 05:10

ICN Seoul busy · +26
LHR London smooth · +0
8,861 km · ~11h 52m est.
dep bank 09:40–13:3021x weekly
Runs reliable · 3 airlines · 21x weekly · nonstop
100% on time

of the last 21 tracked ICN → LHR flights arrived within 15 minutes

Median arrival delay is −19 min. 0 of 24 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−19 minacross the last 21 arrivals
Flight time~11h 52mestimated from route distance
Weekly departures21x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 24

The week

scheduled departures · origin local time
06121824
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 days
Asiana AirlinesOZ100% on time

Flights OZ521 09:40 daily

Korean AirKE100% on time

Flights KE907 10:40 daily

Virgin AtlanticVS100% on time

Flights VS209 varies daily

History

operated legs · board outcomes
11-03KE907departed+28
11-03OZ521departed+28
11-03VS209departed+46
11-02KE907dep +34 → arr−32
11-02OZ521dep +23 → arr−36
11-02VS209dep +43 → arr+1
11-01KE907dep +30 → arr−21
11-01OZ521dep +35 → arr−30
11-01VS209dep +38 → arr−2
10-31KE907dep +29 → arr−15
10-31OZ521dep +32 → arr−13
10-31VS209dep +29 → arr−1
10-30KE907dep +31 → arr−27
10-30OZ521dep +28 → arr−21
10-30VS209dep +35 → arr−1
10-29KE907dep +40 → arr−34
10-29OZ521dep +30 → arr−28
10-29VS209dep +39 → arr−19
10-28KE907dep +33 → arr−38
10-28OZ521dep +26 → arr−46
10-28VS209dep +42 → arr−9
10-27KE907dep +47 → arr−18
10-27OZ521dep +24 → arr−11
10-27VS209dep +38 → arr−12

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
ICNSeoul +26 min busy Full ICN delay board →
LHRLondon +0 min smooth 🌤 clear · NNE 7 kt Full LHR delay board →

How the Seoul to London route actually runs

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

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

ICN to LHR questions

Is ICN–LHR running on time right now?

Smooth skies ahead. The departure side at ICN is the weaker end, route health score 83/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ICN–LHR?

Operators schedule morning departures around 09:40 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LHR delay card to confirm conditions when you'd arrive.

How long is the flight from ICN to LHR?

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 ICN–LHR fly?

3 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.