Great question — answering as the UphillTech team:
This page should help. While it does not list Air New Zealand as a Codeshare Partner in the Asia-Pacific section, it does mention down the bottom right that Interline Partners also enjoy: seamless connectivity and through-baggage check-in. https://www.qatarairways.com/en-au/partners-codeshare.html However, I understand that this does not specifically mention Air New Zealand. In the unlikely case that you need to re-check your bags, you would claim your bags from the baggage carousel and then take them to the transfer counter or check-in so they could process them. You would likely already have your boarding pass, either way. The Air New Zealand website mentions that there is no way of...
Full answer by czrtvl: https://travel.stackexchange.com/a/174275 (CC BY-SA 4.0).
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