Vietnam AirlinesVN
Flights VN51 varies Tu Th
live
Direct flights from Ho Chi Minh City (SGN) to London (LHR): 2 nonstop departures observed each week across 1 airline. The median arrival is 10 minutes early. No cancellations were recorded across the 1 tracked flight. The nonstop covers 10,219 km, an estimated 13 hours 36 minutes in the air. Measured by Pro Flight Search from live flight boards at Ho Chi Minh City and London. Updated 10 September 2026 at 23:06 UTC.
SGN
Ho Chi Minh City
tracking
LHR
London
smooth · +0
10,219 km · ~13h 36m est.
Running clean · 1 airline · 2x weekly · nonstop
100 / 100
route health from live SGN and LHR delay boards
Median arrival delay is −10 min. 0 of 1 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−10 minacross the last 1 operated legs
Flight time~13h 36mestimated from route distance
Weekly departures2x1 direct airline on the leg
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual 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 Ho Chi Minh City to London route actually runs
Pro Flight Search records official board updates for nonstop SGN to LHR 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 — Ho Chi Minh City (SGN) to London (LHR) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SGN-LHR
SGN to LHR questions
Is SGN–LHR running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from SGN to LHR?
Great-circle distance is 10,219 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 751–906 min gate-to-gate on this route.
How often does SGN–LHR fly?
Vietnam Airlines runs the route with about 2 flights a week (tue, thu). 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 SGN and arrival-side delay at LHR, 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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