It'll be flying in a squadron for some of the route. Here is it's route and timings:

Ohakea, 14.30; Oroua Downs School, 14.33; Foxton, 1435; Levin, 14.37; Speldhurst (Kimberley),14.38; Ohau, 14.38; Manakau, 14.39; Otaki, 14.40; Waikanae, 14.43; Paraparaumu,14.44; Paekakariki, 14.45; Pukerua Bay, 14.46; Porirua, 14.48; Tawa, 14.49; Johnsonville, 14.50; Wellington Airport, 14.52; Wellington CBD, 14.54.

Spitfire alone: Petone, 14.54; Trentham, 14.57; Te Marua, 14.58; Featherston, 15.01; Martinborough, 15.04; Greytown, 15.06; Carterton, 15.07; Masterton, 15.09; Eketahuna, 15.15; Pahiatua, 15.19; Woodville, 15.21; Ashhurst, 15.23; Feilding, 15.25; Marton, 15.28; Ohakea,15.32.

https://www.stuff.co.nz/manawatu-standard/300904214/spitfire-to-feature-in-flypasts-marking-100-years-of-nz-military-aviation