Live tracking not available yet
CX251 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
HKG
Hong Kong International Airport
Hong Kong
T1 Gate 25 Scheduled 1:33 AM
Actual 11:48 PM
LHR
London Heathrow Airport
London
TT3 Scheduled 7:01 AM
Actual 4:41 AM
Baggage claim 9
13h 28m flight time
Daily
Recent Flights
Last 1 observedMar 08
Sun
HKG
LHR
Dep 23:00:00
(actual 23:48:00)
77W
In Air
Schedule
Operates
Daily
Departure
1:33 AM
Arrival
7:01 AM
Duration
13h 28m
Aircraft
Boeing 777-300ER
Terminal
T1
TT3
Gate
25
Actual
23:48
04:41
Baggage
Carousel 9
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Thu, Mar 26
Schedule valid
Mar 17 —
Jun 16, 2026