Split scimitar winglets, meanwhile ... Delta Air Lines has also installed winglets on more than 25 of its Boeing 757-200s and ...

Airbus introduced its own refined winglet design, called a sharklet, in 2011. In addition to raked wingtips, Boeing also employs split-scimitar winglets, which can be found on the 737 MAX.

Southwest Airlines has ordered split scimitar winglets for 85 of its planes, a move that could save it nearly $14 million annually. The sword-like attachments, made by Boeing, cut drag and improve ...