BEIJING— Juneyao Airlines, a “connecting partner” member of Star Alliance based in Shanghai, is extending its role in the grouping by beginning codesharing operations with Taiwan’s EVA Air. The move follows commencement of codesharing with another Star member, All Nippon Airways (ANA), earlier in March. Juneyao was admitted to Star as a so-called connecting partner in May 2017 largely because it brought in complementary, not overlapping, routes from Shanghai, which ...