KTM → DMKKathmandu to Bangkok

live

Direct flights from Kathmandu (KTM) to Bangkok (DMK): 1 nonstop departure observed each week across 1 airline. 13% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is 13 minutes late. 7 of the 8 tracked flights were cancelled. The nonstop covers 2,200 km, an estimated 3 hours 19 minutes in the air. Measured by Pro Flight Search from live flight boards at Kathmandu and Bangkok. Updated 12 October 2026 at 15:03 UTC.

KTM Kathmandu tracking
DMK Bangkok busy · +20
2,200 km · ~3h 19m est.
departs 15:051x weekly
Runs rough · 1 airline · 1x weekly · nonstop
13% on time

of the last 8 operated KTM → DMK flights arrived within 15 minutes

Median arrival delay is +13 min. 7 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+13 minacross the last 8 operated legs
Flight time~3h 19mestimated from route distance
Weekly departures1x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Thai Lion 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
Thai Lion AirSL

Flights SL221 15:05 Fr

History

operated legs · board outcomes
10-12FD183cancelledCNX
10-12SL221cancelledCNX
10-11FD183cancelledCNX
10-11SL221cancelledCNX
10-09FD183cancelledCNX
10-09SL221arrived+13
10-07FD183cancelledCNX
10-07SL221cancelledCNX

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
KTMKathmandu tracking Full KTM delay board →
DMKBangkok +20 min busy Full DMK delay board →

How the Kathmandu to Bangkok route actually runs

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

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

KTM to DMK questions

Is KTM–DMK running on time right now?

Mostly on schedule. The arrival side at DMK is the weaker end, route health score 74/100. The airports section above carries the live status and delay window at both ends.

How long is the flight from KTM to DMK?

Great-circle distance is 2,200 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 185–219 min gate-to-gate on this route.

How often does KTM–DMK fly?

Thai Lion Air runs the route with about 1 flight a week (fri). Since one carrier owns the route, a single disruption tends to ripple through the day.

What does the route health score measure?

A blend of departure-side delay at KTM and arrival-side delay at DMK, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.