NZ storms disrupt regional flights Flights have been cancelled and delayed across New Zealand as strong winds, torrential rain and heavy snow batter the country. Drivers have also been stranded on North Island mountains due to snow. Winds gusting up to 130 km/h disrupted flights in and out of Wellington Airport. Strong winds have also affected New Plymouth Airport flights. Air New Zealand has cancelled all its regional services in and out of Wellington for Sunday. Some flights between the main centres had resumed, but a couple were being diverted to Palmerston North with passengers taken to Wellington by road. A JetStar spokesman told AAP no flights had been cancelled, but flights to and from Wellington faced delays. Six-to-seven metre swells in the Cook Strait forced the cancellation of Interislander passenger services on Sunday. Meanwhile, drivers were stranded on Bruce Road in Tongariro National Park and on mountain roads in Taranaki due to snow, central police communications Inspector Mike Coleman told AAP. Some motorists have been rescued, but others were still in the cars. In the South Island, a number of roads are closed or restricted to vehicles with chains due to snowfall and black ice.