| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 26 | ICN | LHR | 12:12 | 17:47 |
Landed
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| Sep 24 | ICN | LHR | 12:31 | 18:04 |
Landed
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| Sep 19 | ICN | LHR | 12:17 | 17:48 |
Landed
|
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| Sep 17 | ICN | LHR | 12:38 | 18:08 |
Landed
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| Sep 12 | ICN | LHR | 12:28 | 17:27 |
Landed
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| Sep 10 | ICN | LHR | 12:50 | 18:08 |
Landed
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| Sep 05 | ICN | LHR | 12:20 | 17:58 |
Landed
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| Sep 03 | ICN | LHR | 12:47 | 18:10 |
Landed
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| Aug 29 | ICN | LHR | 12:14 | 17:49 |
Landed
|
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| Aug 27 | ICN | LHR | 12:18 | 18:09 |
Landed
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Korean Air Flight KE503 connects Seoul, South Korea to London, United Kingdom, taking off from Seoul Incheon International Airport ICN and landing at London Heathrow Airport LHR.
How long is the KE503 flight from Seoul to London?
The average flight time from Seoul to London is 13 hours and 29 minutes. The flight distance is 8860 km / 5505 miles and the average flight speed is 657 km/h / 408 mph.
How many KE503 flights are operated per week?
2 flights per week. The flight KE503 is operated on Thursday and Saturday.
What is the On-Time Performance (OTP) of Korean Air Flight KE503 Seoul to London?
The Airportia On-Time Performance Rating for Korean Air Flight KE503 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight KE503 arriving at?
Flight KE503 arrives at London Heathrow Airport (LHR) Terminal 9.
When was the latest KE503 flight?
The latest flight took off on Saturday, September 26th, 2026 with the flight status being Landed on 17:47.
How else can the flight KE503 be referenced as?
This Korean Air flight can also be referenced as KAL503, KE0503, KE 503, KAL 503.
How often is flight KE503 delayed?
On average, 0% of all KE503 flights are delayed. The average delay is 0 minutes.
See our KE503 Flight Tracker above for more details.
Other flights departing from Seoul ICN: BR169, MU2040, OZ1163, 7C1615
Other flights arriving at London LHR: BA659, BA479, BA607, EI386
All flights connecting Seoul ICN to London LHR.
