The airline with the best average rating is Emirates with 8.4/10.
The average flight time is 3 hours and 34 minutes.More information
A short flight on a route I know well as I have flown on nearly all the airlines flying the AKL-SYD-AKL apart from Air New Zealand and Aerolineas Argentinas.
LAN is an excellent airline with a great service. The cabin crew was OK, nothing exceptional.
The seat is really comfortable though.