More international flights are also expected to be cancelled by the fuel crisis.
He says it's brought the benefit into the public sphere again.
The ACT and NZ First leaders scrapped frequently during the finance debate.
The top two positions on the list have been reversed this year.
National is hitting the social media realm, but is it enough to catch up to Ardern's online pull?
When contacted on Saturday, he initially refused to confirm he had been overpaid since 2010.
"That makes me really angry - what a f***ing idiot."
The first televised leaders' debate was fiery, even with two parties absent.
"You may or may not have noticed I have a pretty grand smile."
Does 'Boring Bill' really deserve the nickname?
Jacinda Ardern's line is so good, it's surprising no one's used it before.
Labour's at an historic low, while NZ First has reached a record high.
Team NZ had earlier revealed financial difficulties almost forced them to abandon the competition.
Rumours are abound that it's either his dad, his brother, or Mr Barclay wearing a costume.
He said Trump gave him a list of countries he could go to, and he picked NZ.