This is very nice news as it opens a whole lot of new destinations previously not available.
Originally Posted by
Kiwi Flyer
It will be more relevant in future as QF mainline exits more routes and hands them to Jetstar. Already there are some destinations not served by QF but are served by JQ. This rule change is a welcome improvement to plug some holes.
Alan Joyce made it clear that QF will not surrender more routes to JQ. Many new routes might be served by JQ but I don't think many existing ones will switch (hopefully).
Rules have not been updated yet on oneworld.com.