ICN → CNXSeoul to Chiang Mai

live

Direct flights from Seoul (ICN) to Chiang Mai (CNX): 32 nonstop departures observed each week across 5 airlines. No cancellations were recorded across the 33 tracked flights. The nonstop covers 3,381 km, an estimated 4 hours 50 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Chiang Mai. Updated 1 November 2026 at 11:52 UTC.

Today, ICN → CNX

Sun 1 Nov · local times
LJ27JIN AIRIn the air, 42 min late

Left ICN at 17:27, 42 min after its 16:45 slot.

Track LJ27 →
ZE517EASTARJETIn the air, 19 min late

Left ICN at 17:44, 19 min after its 17:25 slot.

Track ZE517 →
  1. 16:45 LJ27JIN AIR Left 17:27 +42 ·
  2. 17:25 ZE517EASTARJET Left 17:44 +19 ·
  3. 18:45 KE683KOREAN AIRLINES Left 19:59 +74 ·
  4. 19:15 7C2515JEJU AIR Left 19:36 +21 ·

Checked ICN board 20:52

ICN Seoul busy · +23
CNX Chiang Mai tracking
3,381 km · ~4h 50m est.
dep bank 16:45–19:0032x weekly
Running clean · 5 airlines · 32x weekly · nonstop
70 / 100

route health from live ICN and CNX delay boards

0 of 33 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Flight time~4h 50mestimated from route distance
Weekly departures32x5 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 33

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air BusanEastar JetJeju AirJin 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
Air BusanBX

Flights BX9029 19:00 We Th Sa Su

Eastar JetZE

Flights ZE517 17:25 daily

Jeju Air7C

Flights 7C2515 varies daily

Jin AirLJ

Flights LJ27 16:45 daily

KOREAN AIRLINESKE

Flights KE683 18:45 daily

History

operated legs · board outcomes
11-017C2515departed+21
11-01KE683departed+74
11-01LJ27departed+42
11-01ZE517departed+19
10-31BX9029departed+16
10-31KE683departed+71
10-31LJ27departed+20
10-31ZE517departed+23
10-307C2515departed+60
10-30KE683departed+34
10-30LJ27departed+19
10-30ZE517departed+6
10-297C2515departed+16
10-29BX9029departed+50
10-29KE683departed+31
10-29LJ27departed+39
10-29ZE517departed+18
10-28BX9029departed+14
10-28KE683departed+46
10-28LJ27departed+29
10-28ZE517departed+15
10-27KE683departed+63
10-27LJ27departed+50
10-27ZE517departed+29
10-267C2515departed+35
10-26KE683departed+48
10-26LJ27departed+15
10-26ZE517departed+14
10-257C2515departed+17
10-25BX9029departed+38
10-25KE683departed+50
10-25LJ27departed+16
10-25ZE5171departed+16

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 +23 min busy Full ICN delay board →
CNXChiang Mai tracking Full CNX delay board →

How the Seoul to Chiang Mai route actually runs

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

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

ICN to CNX questions

Is ICN–CNX running on time right now?

Mostly on schedule. The departure side at ICN is the weaker end, route health score 70/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ICN–CNX?

Operators schedule evening departures around 17:25 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CNX delay card to confirm conditions when you'd arrive.

How long is the flight from ICN to CNX?

Great-circle distance is 3,381 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 269–320 min gate-to-gate on this route.

How often does ICN–CNX fly?

5 carriers operate this route, around 32 flights a week between them. Compare carrier days and times in the airline list above.