How often are flights between London and Singapore on time?

82.5% of 3,576 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.4% were cancelled.

Which airline is most punctual between London and Singapore?

Singapore Airlines, with 83.1% on time. British Airways was the least punctual at 80.3%.

LHR to XSP

London to Singapore flights

Name: London to Singapore (LHR-XSP) flights: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Flights from London Heathrow (LHR) to Singapore (XSP) cover 10,869 km. 3,576 flights flew between them in the last 12 months of UK Civil Aviation Authority figures; 83% were on time across 2 airlines.

3,576

flights, August 2025 to July 2026

83%

on time (within 15 min)

0.4%

cancelled

+10 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

Airline	Flights	On time	Cancelled	Average delay
Singapore Airlines	2,839	83%	0.2%	8 min
British Airways	737	80%	0.9%	16 min

Month by month

Over the last 12 months, London and Singapore ran best in November 2025 (91.3% on time) and worst in April 2026 (73.7%).

Share of flights on time, by month (UK Civil Aviation Authority). Green is the best month, orange the worst.

See the figures

Month	On time	Cancelled	Flights
August 2025	89%	0%	310
September 2025	80%	0.3%	300
October 2025	79%	0%	310
November 2025	91%	0%	300
December 2025	85%	0%	304
January 2026	79%	0%	282
February 2026	83%	1.8%	228
March 2026	90%	0.6%	324
April 2026	74%	0%	300
May 2026	81%	0%	310
June 2026	77%	0.7%	300
July 2026	82%	1.3%	308

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 Singapore on time?: 82.5% of 3,576 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.4% were cancelled.
Which airline is most punctual between London and Singapore?: Singapore Airlines, with 83.1% on time. British Airways was the least punctual at 80.3%.
What is the best month to fly between London and Singapore?: Over the last 12 months, London and Singapore ran best in November 2025 (91.3% on time) and worst in April 2026 (73.7%).

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