CX 257Hong Kong to London

Cathay Pacific🇭🇰HKG🇬🇧LHRHong Kong International Airport to London Heathrow Airport

Departs

08:05

local to Hong Kong

Operates

Daily

S26 schedule

Distance

9,630 km

5,984 miles

Typical delay

32 min

49 departures

The route

Great circle, 9,630 km

9,630 km (5,984 miles) great-circle, measured between the two airports' published coordinates. The line is the shortest path over the globe, which on a flat map bows away from a straight line.

How delayed is CX 257?

Measured over months

This flight leaves Hong Kong International Airport a typical 32 minutes late (likely 27 to 41), across 49 departures we tracked between 2026-03-13 and 2026-06-26.

median delay of tracked departures on this leg. Flight Owl's own resolved departure predictions (flights our users tracked), not a census of all flights at the airport.

Other flights on this route

1 more

Flight	Airline	Departs	Departures seen
CX 251	Cathay Pacific	22:45	27

Where it goes

HKG → LHRHong Kong to LondonEvery airline on this route HKGHong Kong International AirportDeparture airport LHRLondon Heathrow AirportArrival airport

How these numbers are measured