ICN → BKKSeoul to Bangkok

live

Direct flights from Seoul (ICN) to Bangkok (BKK): 46 nonstop departures observed each week across 7 airlines. 90% of the last 29 operated flights arrived within 15 minutes of schedule. The median arrival is 21 minutes early. 1 of the 29 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 7 September 2026 at 23:48 UTC.

ICN Seoul smooth · +13
BKK Bangkok smooth · +0
3,668 km · ~5h 12m est.
dep bank 07:05–21:1546x weekly
Runs reliable · 7 airlines · 46x weekly · nonstop
90% on time

of the last 29 operated ICN → BKK flights arrived within 15 minutes

Median arrival delay is −21 min. 1 of 29 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−21 minacross the last 29 operated legs
Flight time~5h 12mestimated from route distance
Weekly departures46x7 direct airlines on the leg
Cancelled3.4%recent route rate · 1 of 29

The week

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

Flights YP601 17:15 Tu Th Fr Su

Asiana AirlinesOZ100% on time

Flights OZ743 07:05 daily · OZ741 19:35 daily

Jeju Air7C

Flights 7C2503 20:05 daily

KOREAN AIRLINESKE89% on time

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

THAI AIRWAYS INTERNATIONALTG83% on time

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

Thai Vietjet AirVZ

Flights VZ851 12:10 daily

Tway AIRTW

Flights TW101 18:00 daily

History

operated legs · board outcomes
09-08OZ743dep +19 → arr+0
09-077C2503dep +30 → arr−28
09-07KE651dep +15 → arr−23
09-07KE655dep +21 → arr+21
09-07KE657dep +16 → arr−29
09-07KE659dep +22 → arr−32
09-07OZ741dep +35 → arr−21
09-07OZ743dep +21 → arr−9
09-07TG653dep +216 → arr+161
09-07TG657dep +8 → arr−41
09-07TG659dep +17 → arr−34
09-07TW101dep +15 → arr−32
09-07VZ851dep +27 → arr−17
09-07YP601cancelledCNX
09-067C2503arrived−15
09-06APZ601arrived+0
09-06KE651arrived−22
09-06KE655arrived−26
09-06KE657arrived−8
09-06KE659arrived−14
09-06OZ741arrived−18
09-06OZ743arrived+0
09-06TG653arrived−21
09-06TG657arrived−50
09-06TG659arrived−35
09-06TW101arrived−23
09-06VZ851arrived−26
09-057C2503arrived−37
09-05KE655arrived−14

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 +13 min smooth Full ICN delay board →
BKKBangkok +0 min smooth 🌤 few clouds · S 7 kt Full BKK delay board →

Weather lens

Current conditions put the pressure at BKK: 31% odds of a 15+ minute delay and around +6 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 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?

Smooth skies ahead. The departure side at ICN is the weaker end, route health score 91/100. 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?

7 carriers operate this route, around 88 flights a week between them. Compare carrier days and times in the airline list above.