ICN → SZXSeoul to Shenzhen

live

Direct flights from Seoul (ICN) to Shenzhen (SZX): 28 nonstop departures observed each week across 4 airlines. 92% of the last 25 operated flights arrived within 15 minutes of schedule. The median arrival is 15 minutes early. No cancellations were recorded across the 25 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 24 October 2026 at 09:46 UTC.

Today, ICN → SZX

Sat 24 Oct · local times
OZ371Asiana140 min late

The ICN board at 18:46 shows departure at 00:30 instead of 22:10, gate 253 (T2).

Later cancelled
1.2%of 168 past Asiana flights whose board showed 70 min or more late
Still to leave today
No other nonstoplast ICN to SZX departure of the day
Track OZ371 →
  1. 08:40 KE835Korean Air Left 09:00 +20 Landed 11:21 −14
  2. 14:50 CZ3090CHINA SOUTHERN AIRLINES Left 14:51 ·
  3. 15:15 ZH634Shenzhen Left 15:19 SZX 18:00In the air · scheduled landing
  4. 17:45 ZH632SHENZHEN AIRLINES Left 17:44 ·
  5. 22:10 OZ371Asiana Est. 00:30 +140Gate 253 · T2 ·

Checked ICN board 18:46 · SZX board 15:48

ICN Seoul busy · +18
SZX Shenzhen smooth · +0
2,044 km · ~3h 07m est.
dep bank 08:40–22:1028x weekly
Runs reliable · 4 airlines · 28x weekly · nonstop
92% on time

of the last 25 operated ICN → SZX flights arrived within 15 minutes

Median arrival delay is −15 min. 0 of 25 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−15 minacross the last 25 operated legs
Flight time~3h 07mestimated from route distance
Weekly departures28x4 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 25

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Asiana AirlinesChina Southern AirlinesKorean AirShenzhen Airlines

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 OZ371 22:10 daily

China Southern AirlinesCZ100% on time

Flights CZ3090 14:50 daily

Korean AirKE100% on time

Flights KE835 08:40 daily

Shenzhen AirlinesZH80% on time

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

History

operated legs · board outcomes
10-24CZ3090departed+1
10-24KE835dep +20 → arr−14
10-24ZH632departed−1
10-24ZH634dep +4 → arr+0
10-23CZ3090dep +15 → arr−19
10-23KE835dep +9 → arr−24
10-23OZ371dep +22 → arr−24
10-23ZH632dep +15 → arr+5
10-23ZH634dep +31 → arr+21
10-22CZ3090dep +4 → arr−20
10-22KE835dep +25 → arr−15
10-22OZ371dep +43 → arr−8
10-22ZH632dep +9 → arr−23
10-22ZH634dep +6 → arr−13
10-21CZ3090dep +13 → arr−15
10-21KE835dep +16 → arr−20
10-21OZ371dep +23 → arr−21
10-21ZH632dep +24 → arr+0
10-21ZH634dep +14 → arr+18
10-20CZ3090dep +6 → arr−16
10-20KE835dep +31 → arr−4
10-20OZ371dep +15 → arr−33
10-20ZH632dep +4 → arr−30
10-20ZH634dep +4 → arr+9
10-19OZ371arrived−29

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 · NNE 12 kt Full SZX delay board →

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 08:40 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?

4 carriers operate this route, around 35 flights a week between them. Compare carrier days and times in the airline list above.