Passenger numbers on a bus between Auckland city and the airport are still down 80 percent compared with before the Covid-19 pandemic, Stuff reveals. Sky Bus suspended its Auckland City Express and North Harbour Express services in March 2020, due to Government-imposed border restrictions and the first Covid-19 lockdown. The Sky Bus Auckland City Express resumed operations in July with a limited timetable, while the Sky Bus North Harbour Express service is yet to resume.