SriLankan AirlinesUL47% on time
live
Direct flights from Bangkok (BKK) to Colombo (CMB): 14 nonstop departures observed each week across 2 airlines. 31% of the last 26 operated flights arrived within 15 minutes of schedule. The median arrival is 18 minutes late. 4 of the 26 tracked flights were cancelled. The nonstop covers 2,392 km, an estimated 3 hours 34 minutes in the air. Measured by Pro Flight Search from live flight boards at Bangkok and Colombo. Updated 9 September 2026 at 06:35 UTC.
BKK
Bangkok
busy · +18
CMB
Colombo
tracking
2,392 km · ~3h 34m est.
Runs rough · 2 airlines · 14x weekly · nonstop
31% on time
of the last 26 operated BKK → CMB flights arrived within 15 minutes
Median arrival delay is +18 min. 4 of 26 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+18 minacross the last 26 operated legs
Flight time~3h 34mestimated from route distance
Weekly departures14x2 direct airlines on the leg
Cancelled15.4%recent route rate · 4 of 26
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
SriLankan AirlinesThai International
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 daysThai InternationalTG14% on time
Flights TG307 21:40 daily
History
operated legs · board outcomes09-088D732cancelledCNX
09-068D732cancelledCNX
09-058D732cancelledCNX
09-038D732cancelledCNX
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Bangkok to Colombo route actually runs
Pro Flight Search records official board updates for nonstop BKK to CMB 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 — Bangkok (BKK) to Colombo (CMB) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/BKK-CMB
BKK to CMB questions
Is BKK–CMB running on time right now?
Mostly on schedule. The departure side at BKK is the weaker end, route health score 76/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on BKK–CMB?
Operators schedule morning departures around 07:45 and evening departures around 21:40 from BKK. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CMB delay card to confirm conditions when you'd arrive.
How long is the flight from BKK to CMB?
Great-circle distance is 2,392 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 199–235 min gate-to-gate on this route.
How often does BKK–CMB fly?
2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.
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