It is curious to me how you only mention those two non-stop flights, but you Ignore all the others with stopovers that refute terraplanning.

I was reading and Norwegian Air Argentina applied for and got approval to fly from Buenos Aires to Perth (direct non-stop). This flight would have Antarctica as a route.

However the Norwegian Air Argentina planes were stored in 2020 after the consequences of the Pandemic, and as of today (2023) they are still not operating (at least, so far).

There are many long-haul non-stop flight routes between different continents in the southern hemisphere, without crossing the northern hemisphere. These routes are only possible if the Earth is a sphere, and impossible if the Earth is flat.

Sydney, Australia - Johannesburg, South Africa

Sydney, Australia - Santiago, Chile

Perth, Australia - Johannesburg, South Africa

Auckland, New Zealand - Santiago, Chile

Auckland, New Zealand - Buenos Aires, Argentina

Melbourne, Australia - Santiago, Chile

Sydney, Australia - Buenos Aires, Argentina (route no longer operational)

Johannesburg, South Africa - São Paulo, Brazil

Luanda, Angola - São Paulo, Brazil

We can easily check the existence of these flight routes using any travel booking website.

What happens, is that terraplanists like you who only rely on 2 flights but Ignore the 9 that I mentioned, shows that you rely on the so called "fallacy of incomplete evidence" also called "cherry picking".

This fallacy is committed when you point to individual cases or data that seem to confirm a particular position while ignoring a significant portion of related and similar cases or data that may contradict that position.