| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 22 | HKG | SYD | 00:07 | 11:45 |
Landed
|
Track > |
| Mar 16 | HKG | SYD | 00:25 | 11:55 |
Cancelled
|
Track > |
| Mar 15 | HKG | SYD | 01:54 | 13:16 |
Unknown
|
Track > |
| Mar 08 | HKG | SYD | 23:58 | 11:25 |
Landed
|
Track > |
| Mar 01 | HKG | SYD | 00:19 | 11:51 |
Landed
|
Track > |
| Feb 08 | HKG | SYD | 02:01 | 13:33 |
Delayed
|
Track > |
| Feb 01 | HKG | SYD | 23:44 | 11:09 |
Landed
|
Track > |
| Jan 25 | HKG | SYD | 23:52 | 11:22 |
Landed
|
Track > |
| Jan 18 | HKG | SYD | 00:03 | 11:35 |
Landed
|
Track > |
| Jan 11 | HKG | SYD | 23:59 | 11:20 |
Landed
|
Track > |
Cathay Pacific Flight CX21 connects Hong Kong, Hong Kong to Sydney, Australia, taking off from Hong Kong International Airport HKG and landing at Sydney Kingsford Smith Airport SYD.
How long is the CX21 flight from Hong Kong to Sydney?
The average flight time from Hong Kong to Sydney is 8 hours and 28 minutes. The flight distance is 7393 km / 4594 miles and the average flight speed is 872 km/h / 542 mph.
What is the On-Time Performance (OTP) of Cathay Pacific Flight CX21 Hong Kong to Sydney?
The Airportia On-Time Performance Rating for Cathay Pacific Flight CX21 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight CX21 arriving at?
Flight CX21 arrives at Sydney Kingsford Smith Airport (SYD) Terminal 2.
When was the latest CX21 flight?
The latest flight took off on Monday, March 23rd, 2026 with the flight status being Landed on 11:45.
How else can the flight CX21 be referenced as?
This Cathay Pacific flight can also be referenced as CPA21, CPA021, CX021, CX0021, CX 21, CPA 21.
How often is flight CX21 delayed?
On average, 30% of all CX21 flights are delayed. The average delay is 68 minutes.
See our CX21 Flight Tracker above for more details.
Other flights departing from Hong Kong HKG: CI5832, HB708, CX153, CX3174
Other flights arriving at Sydney SYD: CX101, JQ540, QF432, VA835
All flights connecting Hong Kong HKG to Sydney SYD.