Heathrow → Seoul (Incheon) flight delays
HEATHROW → SEOUL-INCHEON · all airlines · 1,525 flights · May 2025 – April 2026 · source: UK CAA
This route is delayed
36%of the time, by +44 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
64%
Delayed 3h+
0.1%
Cancelled
0%
Avg when late
+44m
Were you delayed 3+ hours on this route?
About 0.1% of these flights land 3h+ late. If yours did, under UK261 you could be owed up to £520 — and you can claim it yourself for free. Check if you're owed →
When does HEATHROW → SEOUL-INCHEON run late?
44
39
23
21
33
28
24
45
64
58
17
44
J
F
M
A
M
J
J
A
S
O
N
D
Delays peak in September (64% late).
Which airline is most punctual on HEATHROW → SEOUL-INCHEON?
Frequently asked
How often is the Heathrow to Seoul (Incheon) flight delayed?
About 36% of HEATHROW → SEOUL-INCHEON flights arrive late (15+ minutes), by an average of 44 minutes when they do, based on 1,525 flights in May 2025 – April 2026.
Which airline is most punctual on HEATHROW → SEOUL-INCHEON?
Virgin Atlantic Airways Ltd, delayed 12% of the time — the best of the 3 airlines flying this route.
What is the worst month for delays on HEATHROW → SEOUL-INCHEON?
September is the worst, with 64% of flights delayed, while November is the most reliable at 17%.
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