Split scimitar winglets, meanwhile ... Delta Air Lines has also installed winglets on more than 25 of its Boeing 757-200s and 767-300ERs. While these are the older, blended winglets that date ...

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 ...