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LHR to CMB

London to Colombo flights

Flights from London Heathrow (LHR) to Colombo (CMB) cover 8,715 km. 827 flights flew between them in the last 12 months of UK Civil Aviation Authority figures; 69% were on time across 1 airline.

827
flights, August 2025 to July 2026
69%
on time (within 15 min)
0.4%
cancelled
+17 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
SriLankan Airlines82369%0.4%17 min

Month by month

Over the last 12 months, London and Colombo ran best in September 2025 (88.1% on time) and worst in April 2026 (41.7%).

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 202587%0%62
September 202588%0%59
October 202572%0%64
November 202578%0%80
December 202565%0%78
January 202656%0%80
February 202675%0%72
March 202659%2.3%88
April 202642%0%60
May 202661%0%62
June 202663%1.7%60
July 202681%0%62

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 Colombo on time?
68.6% of 827 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.4% were cancelled.
What is the best month to fly between London and Colombo?
Over the last 12 months, London and Colombo ran best in September 2025 (88.1% on time) and worst in April 2026 (41.7%).

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