ICN → SZXSeoul to Shenzhen

live

Direct flights from Seoul (ICN) to Shenzhen (SZX): 30 nonstop departures observed each week across 5 airlines. 96% of the last 24 operated flights arrived within 15 minutes of schedule. The median arrival is 25 minutes early. No cancellations were recorded across the 24 tracked flights. The nonstop covers 2,044 km, an estimated 3 hours 7 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Shenzhen. Updated 8 September 2026 at 12:27 UTC.

ICN Seoul busy · +18
SZX Shenzhen smooth · +0
2,044 km · ~3h 07m est.
dep bank 04:57–22:1030x weekly
Runs reliable · 5 airlines · 30x weekly · nonstop
96% on time

of the last 24 operated ICN → SZX flights arrived within 15 minutes

Median arrival delay is −25 min. 0 of 24 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−25 minacross the last 24 operated legs
Flight time~3h 07mestimated from route distance
Weekly departures30x5 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 AirlinesChina Central AirlinesChina Southern AirlinesKorean Air

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 AirlinesOZ

Flights OZ371 varies daily

China Central AirlinesI9

Flights I98818 04:57 Tu We

China Southern AirlinesCZ100% on time

Flights CZ3090 14:50 daily

Korean AirKE100% on time

Flights KE835 08:40 daily

Shenzhen AirlinesZH90% on time

Flights ZH634 15:15 daily · ZH632 17:45 daily

History

operated legs · board outcomes
09-08CZ3090dep +1 → arr−47
09-08KE835dep +21 → arr−37
09-08ZH632dep +5 → arr+0
09-08ZH634dep +14 → arr+0
09-07CZ3090dep +4 → arr−41
09-07KE835dep +19 → arr−35
09-07OZ371dep +19 → arr−52
09-07ZH632dep +9 → arr−49
09-07ZH634dep +26 → arr−12
09-06CZ3090dep +25 → arr−20
09-06KE835dep +16 → arr−30
09-06OZ371dep +28 → arr−33
09-06ZH632dep +47 → arr+7
09-06ZH634dep +16 → arr−15
09-05CZ3090dep +0 → arr−46
09-05KE835dep +19 → arr−25
09-05OZ371dep +20 → arr−47
09-05ZH632dep +3 → arr−46
09-05ZH634dep +30 → arr−1
09-04CZ3090dep +19 → arr−18
09-04KE835dep +30 → arr−15
09-04OZ371dep +12 → arr−41
09-04ZH632dep +19 → arr−21
09-04ZH634departed+26

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 +18 min busy Full ICN delay board →
SZXShenzhen +0 min smooth 🌤 clear · SSE 6 kt Full SZX delay board →

Weather lens

Current conditions put the pressure at SZX: 38% odds of a 15+ minute delay and around +20 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Seoul to Shenzhen route actually runs

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

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

ICN to SZX questions

Is ICN–SZX running on time right now?

Smooth skies ahead. The departure side at ICN is the weaker end, route health score 88/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ICN–SZX?

Operators schedule morning departures around 04:57 and evening departures around 17:45 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SZX delay card to confirm conditions when you'd arrive.

How long is the flight from ICN to SZX?

Great-circle distance is 2,044 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 174–205 min gate-to-gate on this route.

How often does ICN–SZX fly?

5 carriers operate this route, around 37 flights a week between them. Compare carrier days and times in the airline list above.