https://www.anna.aero/2020/05/11/delta- ... r-remains/
Delta's connection to the DC-9 family started back in July 1966, when number 2 off the production line joined the fleet, this was series 14 N3301L. The airline went on to operate all models of the DC-9, except the series 20, with an infusion of the series 40 and 50 coming with the Northwest take-over. Many have made one-way trips to places like San Bernardino in recent times, now the rest of the fleet are heading for the desert.
The DC-9 series were always a nice way to fly, and I have enjoyed a few trips in Delta's MDs and DC-9-30s over the years, somehow Boeings are just not the same level of passenger appeal.
MD-90 N928DN at Miami in 2017.

MD-88 N990DL at Fort Lauderdale in 2008.
