Direct flights from Kolkata (CCU) to Bangkok (BKK): 24 nonstop departures observed each week across 4 airlines. 90% of the last 21 operated flights arrived within 15 minutes of schedule. The median arrival is 2 minutes early. 1 of the 21 tracked flights was cancelled. The nonstop covers 1,637 km, an estimated 2 hours 36 minutes in the air. Measured by Pro Flight Search from live flight boards at Kolkata and Bangkok. Updated 14 September 2026 at 09:48 UTC.
CCUKolkatabusy · +19
BKKBangkoksmooth · +0
1,637 km · ~2h 36m est.
dep bank 01:00–23:3024x weekly
Runs reliable · 4 airlines · 24x weekly · nonstop
90% on time
of the last 21 operated CCU → BKK flights arrived within 15 minutes
Pro Flight Search records official board updates for nonstop CCU 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.
Smooth skies ahead. The departure side at CCU is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on CCU–BKK?
Operators schedule morning departures around 01:00 and evening departures around 23:30 from CCU. 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 CCU to BKK?
Great-circle distance is 1,637 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 146–170 min gate-to-gate on this route.
How often does CCU–BKK fly?
4 carriers operate this route, around 24 flights a week between them. Compare carrier days and times in the airline list above.