How often are JFK to LHR flights on time?

Flights from New York (JFK) to London (LHR) arrive on time 78% of the time across 33,822 flights of official data.

Which airline is most reliable on the JFK to LHR route?

JetBlue Airways has the best on-time record on this route at 81% across 2,641 flights.

Route reliability

Flights from New York to London arrive on time 78% of the time across 33,822 flights. Here’s how each airline really performs.

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On-time rate

33,822 flights

On-time = arrived within 15 minutes of schedule, per UK CAA. Compare the reverse leg LHR → JFK.

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Score real JFK–LHR flights on reliability, weather, and connection safety — not just price.