Fog restrictions have been lifted at Auckland Airport after 22 domestic flights were cancelled and about 19 flights delayed.

Fog restrictions were put in place at the airport at 4.55am and lifted at 8.26am.

Flights to the main centres of Wellington, Christchurch, Dunedin and Queenstown were not been affected by the fog, nor international flights.

Passengers should check Auckland Airport's website or its app for the latest flight arrival and departure information.