ICN → BKKSeoul to Bangkok

live

Direct flights from Seoul (ICN) to Bangkok (BKK): 54 nonstop departures observed each week across 8 airlines. 89% of the last 27 operated flights arrived within 15 minutes of schedule. The median arrival is 12 minutes early. 1 of the 27 tracked flights was cancelled. The nonstop covers 3,668 km, an estimated 5 hours 12 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Bangkok. Updated 17 October 2026 at 18:52 UTC.

Today, ICN → BKK

Sun 18 Oct · local times
  1. 07:05 OZ743ASIANA AIRLINES On scheduleGate 279 · T2 ·
  2. 09:35 TG659THAI AIRWAYS INTERNATIONAL On scheduleGate 31 · T1 ·
  3. 09:45 KE657KOREAN AIRLINES On scheduleGate 249 · T2 ·
  4. 10:20 TG657THAI AIRWAYS INTERNATIONAL On scheduleGate 35 · T1 ·
  5. 12:10 VZ851THAI VIETJET AIR On scheduleGate 104 · T1 ·
  6. 16:55 TG653THAI AIRWAYS INTERNATIONAL Sched 16:55Departure not confirmed by the board ·
  7. 17:15 YP601AIR PREMIA Sched 17:15Departure not confirmed by the board ·
  8. 18:00 TW101Trinity Airways Sched 18:00Departure not confirmed by the board ·
  9. 18:05 KE651KOREAN AIRLINES Sched 18:05Departure not confirmed by the board ·
  10. 19:35 OZ741ASIANA AIRLINES Sched 19:35Departure not confirmed by the board ·
  11. 19:45 KE659KOREAN AIRLINES Sched 19:45Departure not confirmed by the board ·
  12. 20:05 7C2503JEJU AIR Sched 20:05Departure not confirmed by the board ·
  13. 21:15 KE655KOREAN AIRLINES Sched 21:15Departure not confirmed by the board ·

Checked ICN board 03:52 · BKK board 22:48

ICN Seoul busy · +17
BKK Bangkok smooth · +12
3,668 km · ~5h 12m est.
dep bank 07:05–21:1554x weekly
Runs reliable · 8 airlines · 54x weekly · nonstop
89% on time

of the last 27 operated ICN → BKK flights arrived within 15 minutes

Median arrival delay is −12 min. 1 of 27 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−12 minacross the last 27 operated legs
Flight time~5h 12mestimated from route distance
Weekly departures54x8 direct airlines on the leg
Cancelled3.7%recent route rate · 1 of 27

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air PremiaAsiana AirlinesJeju 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 PremiaYP

Flights YP601 17:15 Mo Tu Th Fr Su

Asiana AirlinesOZ

Flights OZ743 07:05 Mo Tu We Sa Su · OZ741 19:35 daily

Jeju Air7C

Flights 7C2503 20:05 daily

Jin AirLJ

Flights LJ1 19:55 daily

KOREAN AIRLINESKE89% on time

Flights KE657 09:45 daily · KE651 18:05 daily · KE659 19:45 daily · KE655 21:15 daily

THAI AIRWAYS INTERNATIONALTG100% on time

Flights TG659 09:35 daily · TG657 10:20 daily · TG653 16:55 daily

Thai Vietjet AirVZ

Flights VZ851 12:10 daily

Trinity AirwaysTW

Flights TW101 18:00 daily

History

operated legs · board outcomes
10-177C2503dep +48 → arr+0
10-17KE651dep +15 → arr−19
10-17KE655dep +22 → arr+0
10-17KE657dep +15 → arr−27
10-17KE659dep +52 → arr+10
10-17OZ741dep +47 → arr−52
10-17OZ743dep +17 → arr+0
10-17TG653dep +25 → arr−36
10-17TG657dep +8 → arr−32
10-17TG659dep +11 → arr−46
10-17TW101dep +46 → arr+8
10-167C2503dep +34 → arr−16
10-16APZ601arrived+0
10-16KE651dep +21 → arr−8
10-16KE655dep +48 → arr+16
10-16KE657dep +20 → arr−12
10-16KE659dep +43 → arr+5
10-16OZ741dep +29 → arr−19
10-16OZ743cancelledCNX
10-16TG653dep +27 → arr−8
10-16TG657dep +9 → arr−28
10-16TG659arrived−28
10-16TW101arrived−34
10-16VZ851arrived−12
10-16YP601arrived−12
10-157C2503arrived+17
10-15KE655arrived−3

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 +17 min busy Full ICN delay board →
BKKBangkok +12 min smooth 🌤 scattered clouds · SSE 11 kt Full BKK delay board →

How the Seoul to Bangkok route actually runs

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

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

ICN to BKK questions

Is ICN–BKK running on time right now?

Mostly on schedule. The departure side at ICN is the weaker end, route health score 81/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ICN–BKK?

Operators schedule morning departures around 07:05 and evening departures around 17:15 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BKK delay card to confirm conditions when you'd arrive.

How long is the flight from ICN to BKK?

Great-circle distance is 3,668 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 289–344 min gate-to-gate on this route.

How often does ICN–BKK fly?

8 carriers operate this route, around 94 flights a week between them. Compare carrier days and times in the airline list above.