Launch vehicle manufacturer
United Launch Alliance
Vehicles22
Active6
Flights flown314
Success rate99%311/314
First flight1989-02-14
Largest to LEO28,370kg · Delta IV Heavy
United Launch Alliance has built 22 orbital launch vehicles in the United States, flying 314 missions between them. Funding, contracts, leadership and news coverage for United Launch Alliance are tracked on Space Index.
Vehicles
| Vehicle | Flights | Success | LEO kg | Maiden | Status |
|---|---|---|---|---|---|
| Delta II | 155 | 99% | 1990 | Retired | |
| Atlas V 401 | 41 | 100% | 9,050 | 2002 | Retired |
| Vulcan VC6L | 38 | 27,200 | Active | ||
| Vulcan | 25 | Active | |||
| Atlas V 551 | 23 | 100% | 18,850 | 2006 | Retired |
| Delta IV Heavy | 16 | 94% | 28,370 | 2004 | Retired |
| Delta IV M+(4,2) | 15 | 100% | 11,920 | 2002 | Retired |
| Atlas V 421 | 9 | 100% | 14,067 | 2007 | Retired |
| Atlas V 541 | 9 | 100% | 17,410 | 2011 | Retired |
| Atlas V N22 | 9 | 100% | 13,034 | 2019 | Active |
| Atlas V 501 | 8 | 100% | 8,210 | 2010 | Retired |
| Delta IV M+(5,4) | 8 | 100% | 13,730 | 2009 | Retired |
| Atlas V 411 | 6 | 100% | 8,080 | 2006 | Retired |
| Atlas V 531 | 5 | 100% | 15,530 | 2010 | Retired |
| Atlas V 431 | 3 | 100% | 15,260 | 2005 | Retired |
| Delta IV M | 3 | 100% | 8,600 | 2003 | Retired |
| Delta IV M+(5,2) | 3 | 100% | 11,700 | 2012 | Retired |
| Vulcan VC2S | 3 | 100% | 19,000 | 2024 | Active |
| Vulcan VC4S | 3 | 100% | 2025 | Active | |
| Atlas V 521 | 2 | 100% | 13,490 | 2003 | Retired |
| Vulcan VC4L | 2 | 24,600 | Active | ||
| Atlas V 511 | 1 | 100% | 10,986 | 2022 | Retired |
Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.