TripStow
LHR to HAN

London to Hanoi flights

Flights from London Heathrow (LHR) to Hanoi (HAN) cover 9,238 km. 357 flights flew between them in the last 12 months of UK Civil Aviation Authority figures; 77% were on time across 1 airline.

357
flights, August 2025 to July 2026
77%
on time (within 15 min)
0.3%
cancelled
+11 min
average delay

Both directions together. On time means within 15 minutes of schedule, counted over every scheduled flight to and from the UK airport, including cancelled ones (the CAA's definition).

Airlines on this route

AirlineFlightsOn timeCancelledAverage delay
Vietnam Airlines35777%0.3%11 min

Month by month

Over the last 12 months, London and Hanoi ran best in August 2025 (96.2% on time) and worst in October 2025 (57.1%).

Share of flights on time, by month (UK Civil Aviation Authority). Green is the best month, orange the worst.
See the figures
MonthOn timeCancelledFlights
August 202596%0%26
September 202562%0%26
October 202557%0%28
November 202574%2.9%34
December 202575%0%36
January 202677%0%35
February 202675%0%32
March 202681%0%36
April 202685%0%26
May 202673%0%26
June 202696%0%26
July 202673%0%26

Source: UK Civil Aviation Authority punctuality statistics, August 2025 to July 2026. Contains UK Civil Aviation Authority data. Figures describe the past and do not predict a future flight.

Questions and answers

How often are flights between London and Hanoi on time?
76.8% of 357 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.3% were cancelled.
What is the best month to fly between London and Hanoi?
Over the last 12 months, London and Hanoi ran best in August 2025 (96.2% on time) and worst in October 2025 (57.1%).

Flying London to Hanoi soon?

Forward your booking and TripStow builds your trip, reminds you when check-in opens and shows how your flight usually runs. Free.

Start free