ICN → BKKSeoul to Bangkok

live

Direct flights from Seoul (ICN) to Bangkok (BKK): 98 nonstop departures observed each week across 8 airlines. 95% of the last 57 tracked flights arrived within 15 minutes of schedule. The median arrival is 23 minutes early. No cancellations were recorded across the 67 tracked flights. 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 30 October 2026 at 14:06 UTC.

Today, ICN → BKK

Fri 30 Oct · local times
VZ851Thai Vietjet AirIn the air, 31 min late

Left ICN at 12:41, 31 min after its 12:10 slot.

Landing
16:04BKK board estimate · sched 16:20
Track VZ851 →
ZE511EASTARJETIn the air, 23 min late

Left ICN at 17:28, 23 min after its 17:05 slot.

Track ZE511 →
  1. 07:10 OZ743Asiana Left 07:39 +29 Landed 10:49 −26
  2. 09:15 KE657Korean Air Left 09:54 +39 Landed 12:57 −28
  3. 09:35 TG659Thai International Left 10:13 +38 Landed 13:17 −13
  4. 10:50 TG657Thai International Left 11:06 +16 Landed 14:04 −41
  5. 12:10 VZ851Thai Vietjet Air Left 12:41 +31 BKK est. 16:04In the air · sched 16:20
  6. 17:00 TG653THAI AIRWAYS INTERNATIONAL Left 17:08 +8 ·
  7. 17:05 ZE511EASTARJET Left 17:28 +23 ·
  8. 17:15 YP601AIR PREMIA Left 17:34 +19 ·
  9. 17:20 KE651KOREAN AIRLINES Left 20:05 +165 ·
  10. 18:05 OZ741ASIANA AIRLINES Left 18:55 +50 ·
  11. 19:05 KE653KOREAN AIRLINES Left 19:55 +50 ·
  12. 19:50 TW101T'Way Air Left 20:17 +27 ·
  13. 20:15 KE659Korean Air Left 20:38 +23 ·

Checked ICN board 23:06 · BKK board 15:48

ICN Seoul busy · +27
BKK Bangkok smooth · +5
3,668 km · ~5h 12m est.
dep bank 07:10–21:1598x weekly
Runs reliable · 8 airlines · 98x weekly · nonstop
95% on time

of the last 57 tracked ICN → BKK flights arrived within 15 minutes

Median arrival delay is −23 min. 0 of 67 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−23 minacross the last 57 arrivals
Flight time~5h 12mestimated from route distance
Weekly departures98x8 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 67

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air PremiaAsiana AirlinesEastar JetJeju 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 AirlinesOZ86% on time

Flights OZ743 varies daily · OZ741 19:35 daily

Eastar JetZE

Flights ZE511 17:05 Mo Tu We Th Su

Jeju Air7C

Flights 7C2503 20:05 daily

Korean AirKE94% on time

Flights KE657 09:45 daily · KE651 18:05 daily · KE653 19:05 Mo Tu We Th Su · KE659 19:45 daily

Thai InternationalTG100% on time

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

Thai Vietjet AirVZ

Flights VZ851 12:10 Mo Tu We Th Fr Su

Trinity AirwaysTW100% on time

Flights TW101 18:00 daily

History

operated legs · board outcomes
10-30KE651departed+165
10-30KE653departed+50
10-30KE657dep +39 → arr−28
10-30KE659departed+23
10-30OZ741departed+50
10-30OZ743dep +29 → arr−26
10-30TG653departed+8
10-30TG657dep +16 → arr−41
10-30TG659dep +38 → arr−13
10-30TW101departed+27
10-30VZ851departed+31
10-30YP601departed+19
10-30ZE511departed+23
10-297C2503dep +16 → arr−53
10-29APZ601arrived+0
10-29KE651dep +68 → arr−4
10-29KE653dep +58 → arr−4
10-29KE657dep +41 → arr+5
10-29KE659dep +22 → arr−47
10-29OZ743dep +69 → arr+45
10-29TG653dep +13 → arr−44
10-29TG657dep +26 → arr−13
10-29TG659dep +16 → arr−27
10-29TW101dep +24 → arr−45
10-29VZ851dep +17 → arr−29
10-29YP601dep +31 → arr−23
10-29ZE511dep +12 → arr−56
10-287C2503dep +17 → arr−29
10-28KE651dep +93 → arr+42
10-28KE653dep +46 → arr+13
10-28KE657dep +16 → arr−19
10-28KE659dep +37 → arr−18
10-28OZ741dep +42 → arr+8
10-28OZ743dep +38 → arr+3
10-28TG653dep +38 → arr−14
10-28TG657dep +11 → arr−37
10-28TG659departed+27
10-28TW101dep +18 → arr−32
10-28VZ851dep +24 → arr−4
10-28ZE511dep +12 → arr−40

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 +27 min busy Full ICN delay board →
BKKBangkok +5 min smooth 🌤 few clouds · NNW 4 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 77/100. 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 09:35 and evening departures around 17:05 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 98 flights a week between them. Compare carrier days and times in the airline list above.