Northwest Airlines Flight Service Attendant Wing.
This wing was used by a male flight attendant who was lead on domestic flights. He was lead regardless of seniority and ahead of any female flight attendant. This system was done away with approximately 1965.

St. Paul, MN 1926-2008

Started as Northwest Airways and name changed to Northwest Airlines in 1934. Absorbed Republic Airlines in 1985. The Delta/Northwest merger was approved on Oct. 29, 2008 and in Jan.2010, Delta completed the merge of the reservation systems and discontinued using the Northwest name for flights.