Delta Air Lines Boeing 737-200

Delta Air Lines Boeing 737-232, N311DL, is shown arriving at Baltimore in November 1985 wearing the carrier’s 1962-introduced livery.

(Photo credit: Bob Garrard)

Delta Air Lines Boeing 737-232, N153DL, is shown departing Los Angeles on December 28, 2003 wearing the carrier’s 1997-introduced livery.

(Photo credit: Jason Whitebird)

Delta Air Lines Boeing 737-247, N375DL, is shown departing Nashville on March 30, 2005 wearing the carrier’s 2000-introduced livery.

(Photo credit: Matt Coleman)