Flights London → Atlanta
LHR → ATL
How long is the flight from London to Atlanta?
The flight from London (LHR) to Atlanta (ATL) takes 8h 54m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route connects London to Atlanta, operating with a mix of Boeing aircraft including the 777, 767-400, and 777-200LR. The destination airport in Atlanta sees an annual passenger traffic of over 108 million passengers, highlighting its significance as a major hub for air travel.
The London (LHR) → Atlanta (ATL) route is operated by American Airlines, Air France, British Airways, Delta Air Lines, Iberia Airlines, KLM Royal Dutch Airlines. Across 13 flights monitored in recent months, 82% arrived on time (within 15 min of schedule), with an average delay of -0 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 13/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Atlanta the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from London the average ATFM delay is 1.8 minutes.
Heading to Atlanta: what to expect in this direction
Flying from London (LHR) to Atlanta (ATL) heads west for about 6,761 km, a flight time of roughly 8h 54m.
Departures from London on this leg cluster in the midday window: about 100% of LHR-ATL flights take off then.
Air-traffic congestion: departing London the average ATFM delay is 1.8 min (atfm); arriving into Atlanta it is 5.5 min (atfm).
Across 13 tracked LHR-ATL flights, 82% left on time with an average delay of -0 min and a 0.0% cancellation rate.
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 87% | 20 min | 1.2% |
| Delta Air Lines (DL) | 85% | 1 min | 0.8% |
| Air France (AF) | 82% | 28 min | 0.0% |
| KLM Royal Dutch Airlines (KL) | 82% | 19 min | 5.9% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
| British Airways (BA) | 66% | 31 min | 1.3% |
Airlines operating LHR-ATL
Airports
Frequently asked questions about LHR-ATL
The flight from London (LHR) to Atlanta (ATL) takes 8h 54m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the London (LHR) -> Atlanta (ATL) route, on-time performance is 82% with an average delay of -0 minutes, based on 13 tracked flights.
The cancellation rate on London-Atlanta is 0.00% across 13 monitored flights.
The route is operated by 6 airlines: American Airlines, Air France, British Airways, Delta Air Lines, Iberia Airlines, KLM Royal Dutch Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Atlanta, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
The London-Atlanta route is about 6,761 km: for a cancellation (with less than 14 days' notice), a delay over 3 hours, or denied boarding, UK261 compensation is £520, barring extraordinary circumstances.
