Why Doesn’t The Boeing 787 Have Winglets?

This year marks 13 years since the Boeing 787 ‘Dreamliner’ family entered service with Japanese carrier All Nippon Airways (ANA). The next-generation widebody airliner is known to be a highly fuel-efficient and operationally reliable aircraft in the long-haul market. However, it can achieve its efficiency without the use of winglets. But why doesn’t it have them?