https://www.telegraph.co.uk/travel/t...eshare-flight/

This might be useful for some - According to the article if you end up travelling on a BA booking but actually flying with Vueling on a codeshare, you can’t register any potential EC261 claim with Vueling utilising your BA booking reference you need the PNR on your boarding pass. Wasn’t sure to post here or on the media thread or if at all ! So please feel free to move or delete !