Flights New York → London
JFK → LHR
How long is the flight from New York to London?
The flight from New York (JFK) to London (LHR) takes 6h 2m on average. That is the median time recorded across 5 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The New York (JFK) → London (LHR) route is operated by American Airlines, Air France, British Airways, Delta Air Lines, Iberia Airlines, KLM Royal Dutch Airlines. Across 113 flights monitored in recent months, 88% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 1.77%. FlightGuard's average computed risk is 16.6/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At London the average ATFM delay is 1.8 minutes (main cause: atfm). Departing from New York the average ATFM delay is 5.5 minutes.
Heading to London: what to expect in this direction
Flying from New York (JFK) to London (LHR) heads north-east for about 5,540 km, a flight time of roughly 6h 2m.
Departures from New York on this leg cluster in the evening window: about 62% of JFK-LHR flights take off then.
Air-traffic congestion: departing New York the average ATFM delay is 5.5 min (atfm); arriving into London it is 1.8 min (atfm).
Across 113 tracked JFK-LHR flights, 88% left on time with an average delay of 10 min and a 1.8% cancellation rate.
Route facts
Flights on this route
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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 JFK-LHR
Airports
Frequently asked questions about JFK-LHR
The flight from New York (JFK) to London (LHR) takes 6h 2m on average. That is the median time recorded across 5 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the New York (JFK) -> London (LHR) route, on-time performance is 88% with an average delay of 10 minutes, based on 113 tracked flights.
The cancellation rate on New York-London is 1.77% across 113 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 London, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
