Airservices Australia has restricted capacity into SYD this afternoon due to forecast severe thunderstorms. QANTAS has combined three MEL-SYD B738 flights into one A380 flight with OQD scheduled to reposition from SYD to MEL shortly as QF6005 to operate the return flight which is due to leave MEL as QF7168 at 17:00 and arrive in SYD at 18:40 at the international terminal.
The following link is to the applicable QANTAS media release which contains further details:
https://www.qantasnewsroom.com.au/me...sydney-flight/