Outbound
Express Post: Lodged 11/4, delivered UK 29/4

(Glad I didn’t pay for the Standard service!)
DHL Express UK-Oz: Posted 5/5, delivered 10/5
DHL Express Argentina-Oz: Posted 20/4, delivered 1/5
(Seemed to be some loss of plot in the US hubs; it sat quite a bit and moved between unusual points for a number of days.)