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Seoul (Incheon) (ICN) departure delays

Name: Seoul (Incheon) (ICN) departure delays
Creator: FlightLabs

Of 5,843 sampled departures, 67.5% left 15 minutes or more behind schedule. Average lateness was 23.2 minutes. Sample window: Nov 4, 2025 to May 7, 2026.

These are historical aggregates, not live status. A departure is late at 15 minutes past schedule.

When departures are on time

Best hour to depart: 23:00–23:59, 28.3% late.
Best day of week: Monday, 58.1% late.

Airlines with the most late departures

Airline	Flights sampled	Late	Average lateness
Lufthansa Cargo (LH)	25	100.0%	37.8 min
Thai Smile (WE)	27	92.6%	25.8 min
Korean Air (KE)	1,226	91.0%	28.2 min
Asiana (OZ)	705	90.6%	28.5 min
EVA Air (BR)	48	85.4%	28.5 min

Routes from ICN

ICN to KIX — 201 flights per week
ICN to NRT — 197 flights per week
ICN to FUK — 115 flights per week
ICN to HKG — 112 flights per week
ICN to TAO — 95 flights per week
ICN to PVG — 89 flights per week
ICN to BKK — 86 flights per week
ICN to DAD — 83 flights per week

The departures that are late right now

67.5% of this ICN sample left 15 minutes late or more. GET /flight_delays returns the ones that are late at this moment: airline, flight number, scheduled time, actual time and minutes of delay.

https://www.goflightlabs.com/flight_delays?access_key=YOUR_ACCESS_KEY&delay=15&type=departures&dep_iata=ICN

Example response

Field names match the live API. This flight only shows the shape. It is not a live result.

{ "success": true, "data": [ { "airline_iata": "AA", "flight_iata": "AA100", "flight_number": "100", "dep_iata": "ICN", "dep_time": "2024-03-15 08:00", "dep_actual": "2024-03-15 08:22", "dep_delayed": 22, "status": "active" } ] }

That URL still says YOUR_ACCESS_KEY. A 7-day trial replaces it with a real key and returns the ICN departures that are late right now, in the JSON above. After the trial, Starter is $24.99/mo.

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