How often are LAX to LHR flights on time?

Flights from Los Angeles (LAX) to London (LHR) arrive on time 75% of the time across 15,458 flights of official data.

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

United Airlines has the best on-time record on this route at 85% across 1,868 flights.

Route reliability

Flights from Los Angeles to London arrive on time 75% of the time across 15,458 flights. Here’s how each airline really performs.

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On-time rate

15,458 flights

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

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