CX 21 Sydney to Melbourne Flight Status

Cathay Pacific Flight CX21 from Sydney Kingsford Smith Airport SYD to Melbourne Airport MEL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 23rd, 2026.
Check the table below for CX21's most recent flight history:

CX 21 Flight Status & Schedule

Date Departure Arrival Status
Mar 23 15:21 16:36
Landed Late
Track >
Mar 16 16:00 15:40
Unknown
Track >
Mar 02 14:50 16:04
Landed Late
Track >
Feb 09 16:20 15:40
Unknown
Track >
Feb 02 14:27 15:32
Landed
Track >

Cathay Pacific CX 21 Sydney to Melbourne Flight Information

Cathay Pacific Flight CX21 connects Sydney, Australia to Melbourne, Australia, taking off from Sydney Kingsford Smith Airport SYD and landing at Melbourne Airport MEL.

How long is the CX21 flight from Sydney to Melbourne?

The average flight time from Sydney to Melbourne is 1 hour and 10 minutes. The flight distance is 705 km / 438 miles and the average flight speed is 576 km/h / 358 mph.

What is the On-Time Performance (OTP) of Cathay Pacific Flight CX21 Sydney to Melbourne?

The Airportia On-Time Performance Rating for Cathay Pacific Flight CX21 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest CX21 flight?

The latest flight took off on Monday, March 23rd, 2026 with the flight status being Landed on 16:36.

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, 40% of all CX21 flights are delayed. The average delay is 32 minutes.

See our CX21 Flight Tracker above for more details.

CX21 and Sydney SYD to Melbourne MEL Flights

Other flights departing from Sydney SYD: CX20, QF1533, VA527, QF1551

Other flights arriving at Melbourne MEL: QF1559, NZ7706, QF1234, CX20

All flights connecting Sydney SYD to Melbourne MEL.

CX21 Cathay Pacific Flight: Sydney to Melbourne Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.