I found the answer !!!
For those of you guys who are interested.
Sitting here at work in the middle of the night I had Flightradar24 up
and I noticed that QF7524 was showing in AKL. The aircraft was obviously taxying as the speed was about 20 odd knots and 0 feet, so I kept the mouse on the aircraft icon and watched the details changing in the panel top left hand corner of the screen. He got airborne at 0412 according to my watch as I could see the height constantly changing and then he changed course somewhat. I went back to it later and it indeed showed the ATD of 0412 so there is some useless info for you guys and gals out there who may have wondered in the past.
P.S. Thanks DaveReidUK you were spot on with your first reply here
Cheers to you all and Happy Landings.