HKG → LHRHong Kong to London

live

Direct flights from Hong Kong (HKG) to London (LHR): 42 nonstop departures observed each week across 2 airlines. 98% of the last 45 tracked flights arrived within 15 minutes of schedule. The median arrival is 24 minutes early. 1 of the 48 tracked flights was cancelled. The nonstop covers 9,630 km, an estimated 12 hours 51 minutes in the air. Measured by Pro Flight Search from live flight boards at Hong Kong and London. Updated 4 November 2026 at 09:16 UTC.

Today, HKG → LHR

Wed 4 Nov · local times
CX257Cathay Pacific AirwaysIn the air, 35 min late

Left HKG at 08:45, 35 min after its 08:10 slot.

Landing
14:55LHR board estimate · sched 15:00
Track CX257 →
  1. 00:15 CX255Cathay Pacific Airways Left 00:33 +18 Landed 06:37 −13
  2. 08:10 CX257Cathay Pacific Airways Left 08:45 +35 LHR est. 14:55In the air · sched 15:00
  3. 10:40 CX239Cathay Pacific Airways Left 10:42 LHR est. 16:36In the air · sched 17:20
  4. 13:30 CX253Cathay Pacific Airways Left 13:30 LHR est. 19:26In the air · sched 20:10
  5. 22:45 BA32British Airways On scheduleT1 ·
  6. 23:00 CX251Cathay Pacific Airways On scheduleT1 ·

Checked HKG board 17:16 · LHR board 09:12

HKG Hong Kong smooth · +1
LHR London smooth · +0
9,630 km · ~12h 51m est.
dep bank 00:15–23:0042x weekly
Runs reliable · 2 airlines · 42x weekly · nonstop
98% on time

of the last 45 tracked HKG → LHR flights arrived within 15 minutes

Median arrival delay is −24 min. 1 of 48 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−24 minacross the last 44 arrivals
Flight time~12h 51mestimated from route distance
Weekly departures42x2 direct airlines on the leg
Cancelled2.1%recent route rate · 1 of 48

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
British AirwaysCathay Pacific Airways

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
British AirwaysBA88% on time

Flights BA32 22:45 daily

Cathay Pacific AirwaysCX100% on time

Flights CX255 00:15 daily · CX237 00:25 Mo Su · CX257 08:10 daily · CX239 10:40 Tu We Th Fr Sa

History

operated legs · board outcomes
11-04CX239departed+2
11-04CX253departed+0
11-04CX255dep +18 → arr−13
11-04CX257departed+35
11-03BA32dep +0 → arr−47
11-03CX239dep +32 → arr−26
11-03CX251dep +14 → arr−18
11-03CX253dep +19 → arr−26
11-03CX255dep +9 → arr−29
11-03CX257dep +23 → arr−23
11-02BA32dep +1 → arr−55
11-02CX237dep +35 → arr−18
11-02CX251dep +9 → arr−15
11-02CX253dep +28 → arr−22
11-02CX255dep +31 → arr−20
11-02CX257dep +51 → arr−10
11-01BA32dep +15 → arr−45
11-01CX237dep +1 → arr−57
11-01CX251dep +27 → arr−15
11-01CX253dep +52 → arr−5
11-01CX255dep +1 → arr−50
11-01CX257dep +48 → arr−27
10-31BA32dep +9 → arr−52
10-31CX239dep +37 → arr−20
10-31CX251dep +27 → arr−20
10-31CX253dep +42 → arr−16
10-31CX255dep +9 → arr−50
10-31CX257dep +28 → arr−30
10-30BA32cancelledCNX
10-30CX239dep +41 → arr−24
10-30CX251dep +27 → arr−16
10-30CX253dep +13 → arr−35
10-30CX255dep +5 → arr−48
10-30CX257dep +50 → arr+10
10-29BA32dep +0 → arr−43
10-29CX239dep +8 → arr−41
10-29CX251dep +22 → arr−14
10-29CX253dep +0 → arr−30
10-29CX255dep +3 → arr−30
10-29CX257dep +26 → arr−44

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
HKGHong Kong +1 min smooth 🌤 few clouds · E 11 kt Full HKG delay board →
LHRLondon +0 min smooth 🌤 overcast · ENE 13 kt Full LHR delay board →

Weather lens

Conditions are tightest at HKG: a 29% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +0 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the Hong Kong to London route actually runs

Pro Flight Search records official board updates for nonstop HKG to LHR flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: Hong Kong (HKG) to London (LHR) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/HKG-LHR
How we measure this →

HKG to LHR questions

Is HKG–LHR running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on HKG–LHR?

Operators schedule morning departures around 00:15 and evening departures around 22:45 from HKG. Earlier flights typically land before destination-airport delays accumulate later in the day; check the LHR delay card to confirm conditions when you'd arrive.

How long is the flight from HKG to LHR?

Great-circle distance is 9,630 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 710–855 min gate-to-gate on this route.

How often does HKG–LHR fly?

2 carriers operate this route, around 42 flights a week between them. Compare carrier days and times in the airline list above.