The decline reflected a 25 per cent drop in transit passengers, which the company said reflected the exit of Qantas Airways on the Los Angeles route from Sydney and Aerolineas Argentinas on the Buenos Aires route. Excluding transits, international traffic was up 0.2 per cent.
Domestic passengers rose 7.2 per cent to 3.36 million, reflecting increased capacity and number of flights by both Air New Zealand and Jetstar, it said.
Direct comparison of Auckland Airport's aeronautical service charges is complicated by a restructuring of pricing in the latest period, which saw an increase in the passenger service charge and the removal of the terminal services charge.
The PSC rose to $59.95 million from $42 million while the year-earlier period's $14.4 million TSC disappeared. Aeronautical rental income fell to $6.85 million from $9.1 million, but this reflected the lease revenue in domestic processing areas being included in the domestic PSC, it said.
Retail income rose 0.9 per cent to$62.4 million and income from car parking rose 9.7 per cent to $20.5 million.
Operating expenses rose 4.9 per cent to $57.2 million on increased marketing and promotions spending and staff costs.
The company's reported share of profits from associates, North Queensland Airports, Queenstown Airport and Auckland Airport Hotel Holdings rose 61 per cent to $4.4 million.