Air New Zealand has advised people to expect signficant disruptions to flights today due to severe weather from Cyclone Cook.
The airline says customers should anticipate delays and cancellations across its network.
People booked on Air NZ flights should consult the arrivals and departures information on the airline's website for up to date schedule information.
The airline recommends customers ensure they are subscribed to its Travel Alert service to receive updates about the status of their flights.
It is offering fare flexibility for customers no longer wishing to travel, details are available here.
Due to the significant nature of this weather event and the likely disruption to the national roading network, Air NZ will not provide road transport options today for passengers whose travel is disrupted.