✈ ATL → LHR

8H 48M IN ECONOMY. PACK MELATONIN. PACK A NECK PILLOW. PACK REGRETS.

Flight time
8h 48m
Distance
4,201 mi
Or
6,761 km
Jet lag
5h

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.

✈ Flight 1001 kg CO₂
🚗 Car (alone) 1156 kg CO₂
🚆 Train 277 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.