How often are flights between London and New York on time?

68.9% of 791 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 3.4% were cancelled.

Which airline is most punctual between London and New York?

All Argentina Express, with 73.4% on time. British Airways was the least punctual at 52.8%.

LGW to JFK

London to New York flights

Name: London to New York (LGW-JFK) flights: on-time record
Creator: TripStow
License: https://tripstow.com/notices

Flights from London Gatwick (LGW) to New York (JFK) cover 5,569 km. 791 flights flew between them in the last 12 months of UK Civil Aviation Authority figures; 69% were on time across 3 airlines.

791

flights, August 2025 to July 2026

69%

on time (within 15 min)

3.4%

cancelled

+26 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
All Argentina Express	552	73%	4.2%	24 min
British Airways	163	53%	1.2%	34 min
Delta Air Lines	76	71%	2.6%	19 min

Month by month

Over the last 12 months, London and New York ran best in April 2026 (93.2% on time) and worst in December 2025 (52.5%).

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	57%	3.3%	183
September 2025	76%	0%	129
October 2025	60%	3.7%	109
November 2025	76%	13.2%	38
December 2025	53%	15%	40
January 2026	59%	7.4%	27
February 2026	57%	14.3%	28
March 2026	78%	0%	37
April 2026	93%	0%	44
May 2026	82%	0%	34
June 2026	85%	0%	60
July 2026	76%	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.

More about London Gatwick (LGW) and New York (JFK).

Questions and answers

How often are flights between London and New York on time?: 68.9% of 791 flights were on time (within 15 minutes) over the last 12 months of UK Civil Aviation Authority figures, and 3.4% were cancelled.
Which airline is most punctual between London and New York?: All Argentina Express, with 73.4% on time. British Airways was the least punctual at 52.8%.
What is the best month to fly between London and New York?: Over the last 12 months, London and New York ran best in April 2026 (93.2% on time) and worst in December 2025 (52.5%).

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