Similar in Australia, BNE shows up before SYD.

Edit: actually it's even weirder. Here's the zoom levels I see, from zoomed out, to zoomed in:

- BNE, MEL

- BNE, SYD, MEL

- BNE, CBR, MEL (??)

- BNE, SYD, CBR, MEL

Haha I came in to write the exact same thing. Such a weird choice