Originally Posted by AviationNZ

Minimum connecting time in Auckland for INT to INT flights is 55 mins, so you're outside of that and will be fine. If you have any delays on the ADL-AKL sector and for some reason miss the AKL-IAH flight, as with any airline, you'll be reaccommodated.

Originally Posted by Mwenenzi

If ADL-AKL-IAH is booked as 1 ticket Air NZ consider you have enough time.
Will be an airside transit & security. Reads as if you have done the AKL airside transit before.

Originally Posted by samyoull

You won't be rushed at all, but you probably won't have time for the lounge - deplane, quick security check, head to the US pier for US specific security interviewing and then board for IAH.