✈ ATL → LHR
8H 48M IN ECONOMY. PACK MELATONIN. PACK A NECK PILLOW. PACK REGRETS.
Flight from Atlanta to London
From Hartsfield-Jackson (ATL), USA North America → Heathrow (LHR), United Kingdom Europe
How long is the flight from Atlanta to London?
A nonstop flight from Atlanta (ATL) to London (LHR) takes about 8 hours 48 minutes, covering a great-circle distance of 4,201 miles (6,761 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
8h 48m
Nonstop, scheduled
Distance
4,201 mi
6,761 km · great-circle
Avg speed
768 km/h
Door-to-door including taxi
Time zones & jet lag
Atlanta timezone
UTC-4
America/New_York
London timezone
UTC+1
Europe/London
Time difference
+5h
5 hours ahead
Jet lag (rough)
~5d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.