How long is the CX138 flight from Sydney to Hong Kong?

The timetable allows 9 h 5 min. Sydney to Hong Kong is 7,393 km (4,594 mi).

Which terminal does CX138 use?

It usually leaves from Terminal 1 at Sydney Kingsford Smith Airport (SYD) and arrives at Terminal 1 at Hong Kong International Airport (HKG). Check the flight card above for today's terminal and gate.

What other flight numbers does CX138 have?

Also listed as CPA138 (Cathay Pacific's ICAO code) and CX 138.

CX138 Flight Status Cathay Pacific: Sydney to Hong Kong (CPA138)

Cathay Pacific CX 138

Scheduled in 1h05'

SYD Sydney

Scheduled: 22:20
Estimated: 12:30

Terminal: 1 | Gate: 32

Departure: Sat, Nov 14, 2026 · local time UTC+11

Sydney Kingsford Smith Airport (SYD)

All SYD Departures >

HKG Hong Kong

Scheduled: 04:25
Estimated
Delay

Terminal: 1

Arrival: Sun, Nov 15, 2026 · local time UTC+8

Hong Kong International Airport (HKG)

All HKG Arrivals >

Departure was due 8h 44m ago · awaiting update 0%

SYD 12:30 HKG 04:25 ⁺¹

7,393 km (4,594 mi) to fly

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

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Distance: 7393 km / 4594 miles · Scheduled Duration: 09:05 · Typical Duration: 08:50

CX 138 Flight Status & Schedule Cathay Pacific Sydney to Hong Kong

Date	From	To	Departure	Arrival	Status	Details
Nov 14	SYD	HKG	22:20	04:25	Scheduled	Track >
Nov 13	SYD	HKG	23:02	04:54	Landed Late	Track >
Nov 12	SYD	HKG	22:54	04:31	Landed	Track >
Nov 11	SYD	HKG	22:50	04:36	Landed	Track >
Nov 10	SYD	HKG	23:02	04:46	Landed Late	Track >
Nov 09	SYD	HKG	22:40	04:38	Landed	Track >
Nov 08	SYD	HKG	22:35	04:21	Landed	Track >
Nov 07	SYD	HKG	23:07	04:58	Landed Late	Track >
Nov 06	SYD	HKG	22:44	04:36	Landed	Track >
Nov 05	SYD	HKG	22:44	04:36	Landed	Track >

Cathay Pacific's Sydney–Hong Kong flight covers 7,393 km (4,594 mi) and runs daily. The timetable allows 9 h 5 min, but the flight usually takes about 8 h 50 min, so it often makes up time. Today's flight is scheduled to leave at 22:20 and arrive at 04:25 the next morning local time.

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About CX 138

Cathay Pacific Flight CX138 connects Sydney, Australia to Hong Kong, Hong Kong, taking off from Sydney Kingsford Smith Airport SYD and landing at Hong Kong International Airport HKG.

Route: Sydney Kingsford Smith Airport SYD to Hong Kong International Airport HKG
Distance: 7,393 km (4,594 mi)
Typical flight time: 8 h 50 min
Flies: Daily
On time: 6 of the last 9
Average delay when late: 28 min
Usually departs from: Terminal 1

CX 138 FAQ

How long is the CX138 flight from Sydney to Hong Kong?: The timetable allows 9 h 5 min. Sydney to Hong Kong is 7,393 km (4,594 mi).
How often is CX138 from Sydney to Hong Kong late?: 3 of the last 9 flights arrived 15 or more minutes late; when late, by 28 minutes on average.
When was the latest CX138 flight from Sydney to Hong Kong?: The latest CX138 was the 22:20 (local time) departure from Sydney on 13 November 2026; it landed 29 minutes late.
Which days does CX138 fly from Sydney to Hong Kong?: Daily: it was scheduled on each of the last 7 days.
Which terminal does CX138 use?: It usually leaves from Terminal 1 at Sydney Kingsford Smith Airport (SYD) and arrives at Terminal 1 at Hong Kong International Airport (HKG). Check the flight card above for today's terminal and gate.
What other flight numbers does CX138 have?: Also listed as CPA138 (Cathay Pacific's ICAO code) and CX 138.

CX138 and Sydney SYD to Hong Kong HKG Flights

Other flights departing from Sydney SYD: MH140, SQ7435, AI301, HJ125

Other flights arriving at Hong Kong HKG: 5Y8036, CX2071, HJ125, UO769

All flights connecting Sydney SYD to Hong Kong HKG.