Flow-Rider
Burner
Did you get any type of tracking number, punch it in into this site?What do you reckon, is the obstruction on the international or domestic side?
My hunch is that it's Auspost, given that this is happening at a diverse range of airports and because Auspost has a well earned reputation for being fucking shit. Nothing more than a hunch, though.
https://www.17track.net/en