Flights London → Hong Kong
LHR → HKG
How long is the flight from London to Hong Kong?
The flight from London (LHR) to Hong Kong (HKG) takes 12h 39m 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 from London to Hong Kong operates with a high on-time performance rate of 92%, with an average delay of just 3.1 minutes per flight. Over the course of a year, this busy route sees around 14 flights using a mix of large aircraft such as the Airbus A380-800, Boeing 777, and Boeing 777-300ER, serving Hong Kong's major airport which handles nearly 39.5 million passengers annually.
The London (LHR) → Hong Kong (HKG) route is operated by British Airways, Cathay Pacific. Across 28 flights monitored in recent months, 92% arrived on time (within 15 min of schedule), with an average delay of 4 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 Hong Kong the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from London the average ATFM delay is 1.8 minutes.
Heading to Hong Kong: what to expect in this direction
Flying from London (LHR) to Hong Kong (HKG) heads north-east for about 9,630 km, a flight time of roughly 12h 39m.
Departures from London on this leg cluster in the evening window: about 100% of LHR-HKG flights take off then.
Air-traffic congestion: departing London the average ATFM delay is 1.8 min (atfm); arriving into Hong Kong it is 2.0 min (atfm).
Across 28 tracked LHR-HKG flights, 92% left on time with an average delay of 4 min and a 0.0% cancellation rate.
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| British Airways (BA) | 66% | 31 min | 1.3% |
Airlines operating LHR-HKG
Airports
Frequently asked questions about LHR-HKG
The flight from London (LHR) to Hong Kong (HKG) takes 12h 39m 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) -> Hong Kong (HKG) route, on-time performance is 92% with an average delay of 4 minutes, based on 28 tracked flights.
The cancellation rate on London-Hong Kong is 0.00% across 28 monitored flights.
The route is operated by 2 airlines: British Airways, Cathay Pacific.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Hong Kong, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
The London-Hong Kong route is about 9,630 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.
