I think the federal government stops underwriting domestic flights around mid-June.
I would have thought they would keep operating at least a daily SYD-MEL flight after the subsidised flights end, but even that isn't scheduled. Things must be pretty dire at VA.
I suspect that flights are still scheduled beyond 13 July because they haven't been cancelled yet... VA is still selling its pre-COVID schedule from that date, including 25 daily SYD-MEL flights. There is no way most of those flights will operate.