DETROIT - FEBRUARY 3, 2010: Delta Airlines has finalized its aquisition of Northwest Airlines. As of midnight Jan 31, 2010 Northwest Airlines is no lo

- Image ID: KDB633
Ivan Cholakov / Alamy Stock Photo
Image ID: KDB633
DETROIT - FEBRUARY 3, 2010: Delta Airlines has finalized its aquisition of Northwest Airlines. As of midnight Jan 31, 2010 Northwest Airlines is no longer in existence.Most of the fleet is now painted in Delta livery.