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Route guide

New York London

John F. Kennedy (JFK) — Heathrow (LHR)

Eastbound 5h shift Best side: right
Distance
5,550 km
Duration
7h
Time-zone shift
5h east
Best window side
right

Overview

JFK to London Heathrow — the most-flown long-haul corridor in the world, eastbound. Short, overnight, and the jet lag is real but compressible if you sleep on the plane.

Jet lag

5-hour eastward shift on a short overnight — the standard transatlantic challenge. Sleep as much as possible aligned to London night, get morning light on arrival, function the same day.

Build a JFK→LHR adaptation schedule

Best window side

Eastbound overnight — the right side faces north and gets the earliest sunrise approaching Europe. For sleep, choose the window and ignore the view.

Cabin humidity

A350-1000 or A330neo is meaningfully more humid than 777-300ER on a 7-hour overnight where sleep quality is most of the win.

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