"Western Sydney International Airport: The Airport That Never Closes Opens"

This morning, just after 11 a.m. Sydney time, a Jetstar Airbus A320 lifted off from a runway that did not exist a decade ago and carried the first paying passengers out of Western Sydney International Airport, bound for the Gold Coast. The flight itself was unremarkable, a short domestic hop, and that is precisely what made it historic. Sydney has argued about a second airport since 1946. Today, for the first time, travellers could actually board a plane at one.

The new airport, named for pioneering aviator Nancy-Bird Walton, sits at Badgerys Creek, about 45 kilometres west of the Sydney central business district. The site was only settled in 2014, construction began in 2018, and it is the first major new airport Australia has opened in more than half a century. Freight services have been running since late July. What opened today is the passenger side: a single terminal putting domestic and international gates under one roof, sized for up to 10 million passengers a year in its first stage.

But the runway is not the story. The clock is. Sydney's older airport, Kingsford Smith, is closed to scheduled passenger flights from 11 p.m. to 6 a.m. under a curfew that has shaped the city's aviation for decades, capping late arrivals, forcing early last departures, and pushing freight elsewhere overnight. Western Sydney International was approved and built to operate around the clock, with no curfew and no slot restrictions. That single difference is the reason the airport exists.

The proof arrives next month, not in a press release but in a timetable. Singapore Airlines, the first international carrier to commit to the new airport, begins a daily Singapore service on 23 November, and its return flight, SQ262, is scheduled to leave Western Sydney at 11:55 p.m., five minutes before midnight, in the middle of the hours when Kingsford Smith is shut. The airline's latest departure from the old airport leaves at 7:10 p.m. This is not a rerouted flight, either: Singapore Airlines keeps its four daily Kingsford Smith services and adds Western Sydney as a fifth daily Sydney service, on a 303-seat Airbus A350-900. The extra capacity exists only because the new airport never closes.

None of this means opening day settles anything. The schedule is still thin, and the airport opens without the railway that was meant to serve it: the Sydney Metro airport line is not due until mid-to-late 2027, so for now passengers arrive by the toll-free M12 motorway, buses every 30 minutes from surrounding suburbs, and a free shuttle from St Marys station. An airport that is easy for airlines to use at midnight still has to be easy for passengers to reach, and on that test today is only a beginning.

The bet behind the airport is demographic. The airport's master plan expects about 8.4 million passengers a year by the end of the decade and almost 20 million by 2045, against a first-stage capacity of 10 million and an ultimate capacity of 82 million by 2063, and it expects half of Sydney's 6.1 million residents to live in the west by 2030. The airport's chief executive, Simon Hickey, says he is in talks with several more carriers and has told locals bluntly to use it or lose it. Qantas chief executive Vanessa Hudson said in June that demand will grow and frequency will follow when it does. Virgin Australia is still assessing whether the airport fits its network.

That is the test I am putting on the record with this article. My prediction is that at least one scheduled passenger flight will depart Western Sydney International between 11 p.m. and 6 a.m. local time before the end of 2026, in practice Singapore Airlines' 11:55 p.m. departure once its service starts on 23 November. I put that at 70 percent: the timetable is published, the aircraft is assigned, and the whole point of the route's timing is the curfew-free operation. The honest risks are that the service is still described as subject to approvals, that launch schedules slip, and that a first month of operations can always surprise. If it happens, curfew-free stops being a slogan and becomes a timetable fact, and every other airline weighing a late-night service will have its precedent. If it does not, the airport's biggest selling point will have spent its first two months unused, and the sceptics will have their first exhibit. Either way, the verdict will be posted here, next to this paragraph, when December ends.