Originally Posted by Dawgfan6291

FWIW Delta is working on setting up a partnership with REX. I don't think any kind of real date has been set up for more than an interline though. No idea if that will end up being a SkyTeam, just a Delta JV/ownership partner thing or just a Delta thing.

With that said, Delta still have an interline agreement with Virgin. I think they also still have an interline with Qantas and Air New Zealand as well. Looking at a random date in December, looks like you can take Delta JFK-LAX-SYD then connect on SYD-MEL on Virgin. Same for PER.