I too am a little intrigued at the main trunk jet cancellations when you'd just assume they could fill up at WLG or CHC. I wonder if it's just part of an overall strategy to use less fuel overall for a few days?
I see on nzsource it mentions NZ5 today having a tech stop in NAN to refuel on it's way from LAX to AKL which will presumably give it enough fuel to fly it's next hop to Australia.
I wonder what the impacts are on airports such as NAN of this? Surely they don't have mass surplus A1 sitting there to top up every 777 that passes overhead.