Originally Posted by
colerc
I suspect the reason VA flights to NZ aren't bookable on DL.com is because DL.com only supports destinations where Delta flies to or has codeshare flights to -- and apparently DL does not offer codeshare service to NZ.
A good theory, but wrong. VA66 BNE-WLG is also marketed as DL7235. I found DL flight numbers on SYD-AKL as well. It seems it's just that DL.dumb lives up to its name.