China Eastern AirlinesMU
Flights MU5834 17:55 daily
live
Direct flights from Chengdu (TFU) to Dehong (LUM): 14 nonstop departures observed each week across 2 airlines. The nonstop covers 879 km, an estimated 1 hour 38 minutes in the air. Measured by Pro Flight Search from live flight boards at Chengdu and Dehong. Updated 10 September 2026 at 07:03 UTC.
TFU
Chengdu
tracking
LUM
Dehong
tracking
879 km · ~1h 38m est.
Tracking · 2 airlines · 14x weekly · nonstop
···
delay history for TFU → LUM is still building
Flight time~1h 38mestimated from route distance
Weekly departures14x2 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
China Eastern AirlinesSichuan 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 daysSichuan Airlines3U
Flights 3U6689 varies daily
Airports right now
live boardsnext sweep in 120s
How the Chengdu to Dehong route actually runs
Pro Flight Search records official board updates for nonstop TFU to LUM 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 — Chengdu (TFU) to Dehong (LUM) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/TFU-LUM
TFU to LUM questions
How long is the flight from TFU to LUM?
Great-circle distance is 879 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 92–105 min gate-to-gate on this route.
How often does TFU–LUM fly?
2 carriers operate this route, around 14 flights a week between them. Compare carrier days and times in the airline list above.
What does the route health score measure?
A blend of departure-side delay at TFU and arrival-side delay at LUM, 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.
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