π Analysis
Statistics & insights on rockets and organizations β technology, history, numbers.
Delta 3914
RetiredMcDonnell Douglas
The Delta 3000 series was an American expendable launch system which was used to conduct 38 orbital launches between 1975 and 1989. It was a member of the Delta family of rockets. Several variants existed, which were differentiated by a four digit numerical code.

Key figures
Total launches
12
Successes
10
Failures
2
Success rate
83.3 %
Success streak
0
Maiden flight
Dec 13, 1975
Reusable
No
Shortest launch interval β
27d 16h
Planned launches
0
Delta, Delta I family total
98 launches Β· 92 successes Β· 6 failures (23 variants)
π§ Data check
Automatic plausibility checks β anomalies are surfaced transparently here:
- βΉοΈThe figures above apply only to the βDelta 3914β variant. The Launch Library counts each variant separately β the Delta, Delta I family totals 98 launches across 23 variants.
Technology
Length
35 m
Diameter
2.44 m
Launch mass
185 t
Liftoff thrust
3,046 kN
Stages
4
LEO (low Earth orbit)
951 kg
GTO (geo transfer)
954 kg
Launches per year
of which in our database: 12
Successes Failures Other/planned
History & events
Sources
- Launch Library 2 (The Space Devs)
- Wikipedia