Northwest Airlines (first era)
Northwest Orient Airlines
This logo was created for, according to an employee magazine, "a new look for the fast paced '70s."
Northwest Airlines (second era)
This logo was created by Landor Associates. The triangle within the circle serves both to point to compass direction northwest and to imply a W when combined with the shape of the N.
In April 2008, it was revealed that Northwest Airlines was merging with Delta Airlines. The merger occured on January 31, 2010.