As well as being the largest ‘triple-seven’ aircraft currently in commercial service, the Boeing 777-300ER is also the best-seller in the family, accounting for 833 of the series’ 1,742 deliveries (47.8%) according to the manufacturer’s data. Despite being older than next-generation Boeing widebodies such as the 787 ‘Dreamliner,’ the 777-300ER remains widely used today, on some seriously long sectors. Route data in this article is from Cirium, an aviation analytics company, with distances from GC Map.