Live tracking not available yet
CX421 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
TPE
Taiwan Taoyuan International Airport
Taoyuan
TT1 Gate B2 Scheduled 5:00 PM
Actual 6:36 PM
HKG
Hong Kong International Airport
Hong Kong
TT1 Scheduled 7:05 PM
Actual 8:20 PM
Baggage claim 3
2h 5m flight time
Daily
Recent Flights
Last 8 observedMar 18
Wed
TPE
HKG
Dep 17:00:00
(actual 18:36:00)
773
Boarding
Mar 17
Tue
TPE
HKG
Dep 17:00:00
(actual 17:16:00)
773
Boarding
Mar 16
Mon
TPE
HKG
Dep 17:00:00
(actual 17:54:00)
773
Boarding
Mar 15
Sun
TPE
HKG
Dep 17:00:00
(actual 17:24:00)
773
Boarding
Mar 14
Sat
TPE
HKG
Dep 17:00:00
(actual 17:13:00)
773
Boarding
Mar 13
Fri
TPE
HKG
Dep 17:00:00
(actual 17:37:00)
77W
Boarding
Mar 10
Tue
TPE
HKG
Dep 17:00:00
(actual 17:08:00)
77W
Boarding
Mar 06
Fri
TPE
HKG
Dep 17:00:00
(actual 17:10:00)
77W
Boarding
Schedule
Operates
Daily
Departure
5:00 PM
Arrival
7:05 PM
Duration
2h 5m
Aircraft
Boeing 777-300
Terminal
TT1
TT1
Gate
B2
Actual
18:36
20:20
Baggage
Carousel 3
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 13 —
Jun 12, 2026