Fog has cleared at Auckland Airport and flights are resuming as usual.
About 46 domestic flights were cancelled or delayed at Auckland this morning due to fog on the runway.
Heavy fog also caused delays at Christchurch Airport but cleared earlier.
Travellers were still advised to check with airlines for flight details and updates.
Flights are returning to normal at Christchurch International Airport as fog lifts after some disruption this morning. About 23 flights were affected.
A blanket of fog enveloping Wellington Airport has disrupted the travel plans of hundreds of passengers.
Auckland airport has lifted fog restrictions that forced airlines to cancel or delay more than 50 flights on Tuesday morning.
Flights in and out of Wellington have resumed as sea fog that has been causing disruptions to services for two days has moved off.
Airlines were working to clear a backlog of flights at Christchurch Airport after heavy morning fog disrupted air traffic.
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