An Air New Zealand flight has been diverted to Adelaide after an incident with a passenger.

The international flight was en route from Auckland to Perth when the incident took place.

An airline spokeswoman told the Herald: "Air New Zealand flight NZ175 from Auckland to Perth diverted to Adelaide after a passenger failed to comply with crew instructions."

Police met the aircraft on arrival and the passenger involved was removed.

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No charges have been laid and no passengers are injured, federal police say.