Delta II

United States1989 to 2018

The Delta II stands 38.7 m (127 ft) tall and can lift 3,099 kg to low Earth orbit. As of 23 October 2026, the Delta II, in all its versions, has 155 launches on record, from 14 February 1989 to 15 September 2018, and 153 of them succeeded (99%).

Launches: 155
Success rate: 99%; 1 failure · 1 partial
First flight: 1989; Delta II 6925
Last flight: 2018; Delta II 7420-10C
Rocket types: 24

Launches per year

Show as table

Year	Launches
1989	5
1990	10
1991	5
1992	11
1993	7
1994	3
1995	3
1996	10
1997	11
1998	12
1999	10
2000	6
2001	7
2002	3
2003	7
2004	7
2005	3
2006	6
2007	8
2008	5
2009	8
2010	1
2011	3
2014	1
2015	1
2017	1
2018	1

Delta II versions

Rocket	Flown	Launches	Success rate	Height	Payload to LEO
Delta II 6925	1989 to 1992	13	100%	38.1 m	3,981 kg
Delta II 6920-8	1990	1	100%	39 m	3,983 kg
Delta II 6925-8	1990	1	100%	39 m	1,500 kg
Delta II 6920-10	1990 to 1992	2	100%	39 m	3,950 kg
Delta II 7925	1990 to 2009	36	94%	38.9 m	4,600 kg
Delta II 7925-8	1994 to 1996	2	100%	38.2 m	4,550 kg
Delta II 7925-10	1994 to 1996	2	100%	38.9 m	4,498 kg
Delta II 7920-10	1995 to 2017	9	100%	38.7 m	5,959 kg
Delta II 7920-10C	1997 to 2011	17	100%	38.7 m	5,959 kg
Delta II 7920-8	1997	1	100%	39 m	5,000 kg
Delta II 7925-9.5	1998 to 2009	26	100%	38.9 m	4,600 kg
Delta II 7420-10C	1998 to 2018	14	100%	38.7 m	3,099 kg
Delta II 7326-9.5	1998 to 2001	3	100%	38.4 m	2,430 kg
Delta II 7425-9.5	1998 to 2002	3	100%	39 m	2,880 kg
Delta II 7426-9.5	1999	1	100%	39 m	2,870 kg
Delta II 7320	1999 to 2011	6	100%	38.9 m	2,800 kg
Delta II 7425-10	2001	1	100%	39 m	2,886 kg
Delta II 7920-10L	2002 to 2004	2	100%	40 m	4,805 kg
Delta II 7925H-9.5	2003 to 2007	3	100%	38.9 m	5,475 kg
Delta II 7920H	2003	1	100%	38.9 m	5,959 kg
Delta II 7320-10C	2004 to 2015	6	100%	38.9 m	2,800 kg
Delta II 7925-10L	2006 to 2009	2	100%	38.9 m	4,600 kg
Delta II 7925-10C	2007	1	100%	38.9 m	4,520 kg
Delta II 7920H-10C	2008 to 2011	2	100%	38.9 m	5,959 kg