Delta owns 49 % stake in Virgin Atlantic . Airlines believe that codeshare will increase their trans - Atlantic capacity . Ideally , the deal with Delta will introduce the carrier to a wider audience . UK - based routes are the most world 's busiest and lucrative . Virgin seen as a much more profitable airline than Delta .
Delta owns 49 % stake in Virgin Atlantic . Airlines believe that codeshare will increase their trans - Atlantic capacity . UK - based routes are the most world 's busiest and lucrative . Virgin seen as a much more profitable airline than Delta .