Delta has officially retired its 737-700 fleet. (Photo: AirlineGeeks | Joey Gerardi)

Delta Retires Final Eight Boeing 737-700s

Delta Air Lines has retired its final Boeing 737-700 aircraft, sources close to the matter confirmed to AirlineGeeks. Delta had eight 737-700s in its fleet as of Sept. 13 and the final planes were ferried to storage on Sept. 25.  Delta’s final 737-700s were registered as N301DQ, N302DQ, N303DQ, N304DQ, N307DQ, N308DE, N309DE and N310DE. The airline announced in July that it would remove the 737-700s, as well as its 777s, by the end of the year in an effort…