With Australia reducing the number of international passengers allowed to enter the country each day in half, American is running many of its Los Angeles – Sydney flights as cargo-only until August 31, while the return Sydney – Los Angeles flight carriers both cargo and passengers. On days where American has an allocation of allowed passenger arrivals, they’re carrying passengers to Australia.
After this period American Airlines will exit the Australian passenger market for two months, although of course this suspension of service could be extended based on facts on the ground in Australia.