Airport traffic continues to grow SYDNEY and Melbourne airports between them serviced more than five million passengers in February as traffic continued to grow. Sydney reported 1.8 per cent growth in domestic passengers and 3.1 per cent in international traffic to push up the total by 2.2 per cent. Melbourne's international passenger numbers rose 2.1 per cent while domestic passenger traffic rose 3.8 per cent. Total passenger traffic in Melbourne rose 3.4 per cent.