How often are flights between London and Las Vegas on time?

77.3% of 1,733 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.5% were cancelled.

Which airline is most punctual between London and Las Vegas?

Virgin Atlantic Airways, with 85% on time. British Airways was the least punctual at 71.6%.

LHR to LSV

London to Las Vegas flights

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

Flights from London Heathrow (LHR) to Las Vegas (LSV) cover 8,375 km. 1,733 flights flew between them in the last 12 months of UK Civil Aviation Authority figures; 77% were on time across 3 airlines.

1,733

flights, August 2025 to July 2026

77%

on time (within 15 min)

0.5%

cancelled

+14 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
British Airways	985	72%	0.6%	17 min
Virgin Atlantic Airways	728	85%	0.3%	9 min
American Airlines	18	78%	0%	10 min

Month by month

Over the last 12 months, London and Las Vegas ran best in April 2026 (87.1% on time) and worst in September 2025 (66.7%).

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	80%	0%	124
September 2025	67%	0%	138
October 2025	74%	0%	146
November 2025	76%	0%	121
December 2025	72%	1.8%	111
January 2026	85%	0%	169
February 2026	85%	0%	132
March 2026	81%	0%	128
April 2026	87%	0%	171
May 2026	69%	0%	178
June 2026	73%	1.2%	169
July 2026	78%	2.7%	146

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 Las Vegas on time?: 77.3% of 1,733 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 0.5% were cancelled.
Which airline is most punctual between London and Las Vegas?: Virgin Atlantic Airways, with 85% on time. British Airways was the least punctual at 71.6%.
What is the best month to fly between London and Las Vegas?: Over the last 12 months, London and Las Vegas ran best in April 2026 (87.1% on time) and worst in September 2025 (66.7%).

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