| Name | Family | Manufacturer | Maiden Flight Date | Active | Reusable | Launch Count | Length (m) | Max Diameter (m) | LEO Capacity (kg) | GTO Capacity (kg) | Thrust at Liftoff (kN) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Delta 1900 | Delta, Delta I | McDonnell Douglas | 12/16/1973 | ✘ | ✘ | 1 | 35.0 | 2.44 | — | — | 2410.0 |
| Delta 1910 | Delta, Delta I | McDonnell Douglas | 06/21/1975 | ✘ | ✘ | 1 | 35.0 | 2.44 | — | — | 2410.0 |
| Delta 1913 | Delta, Delta I | McDonnell Douglas | 06/10/1973 | ✘ | ✘ | 1 | 35.0 | 2.44 | — | — | 2410.0 |
| Delta 1914 | Delta, Delta I | McDonnell Douglas | 11/10/1972 | ✘ | ✘ | 2 | 35.0 | 2.44 | — | — | 2287.0 |
| Delta 2310 | Delta, Delta I | McDonnell Douglas | 11/15/1974 | ✘ | ✘ | 3 | 35.0 | 2.44 | — | — | 1737.0 |
| Delta 2313 | Delta, Delta I | McDonnell Douglas | 01/19/1974 | ✘ | ✘ | 3 | 35.0 | 2.44 | 500.0 | — | 1737.0 |
| Delta 2910 | Delta, Delta I | McDonnell Douglas | 01/22/1978 | ✘ | ✘ | 6 | 35.0 | 2.44 | — | — | 2560.0 |
| Delta 2913 | Delta, Delta I | McDonnell Douglas | 08/09/1975 | ✘ | ✘ | 2 | 35.0 | 2.44 | 2000.0 | 700.0 | 2560.0 |
| Delta 2914 | Delta, Delta I | McDonnell Douglas | 04/13/1974 | ✘ | ✘ | 30 | 35.0 | 2.44 | 724.0 | — | 2287.0 |
| Delta 3910 | Delta, Delta I | McDonnell Douglas | 02/14/1980 | ✘ | ✘ | 3 | 35.0 | 2.44 | — | — | 3188.0 |
| Delta 3910/PAM | Delta, Delta I | McDonnell Douglas | 11/15/1980 | ✘ | ✘ | 7 | 35.0 | 2.44 | 1087.0 | — | 3188.0 |
| Delta 3913 | Delta, Delta I | McDonnell Douglas | 08/03/1981 | ✘ | ✘ | 1 | 35.0 | 2.44 | — | — | 3188.0 |
| Delta 3914 | Delta, Delta I | McDonnell Douglas | 12/13/1975 | ✘ | ✘ | 12 | 35.0 | 2.44 | 951.0 | 954.0 | 3046.0 |
| Delta 3920 | Delta, Delta I | McDonnell Douglas | 07/16/1982 | ✘ | ✘ | 3 | 36.0 | 2.44 | — | — | 3188.0 |
| Delta 3920-8 | Delta, Delta I | McDonnell Douglas | 03/24/1989 | ✘ | ✘ | 1 | 36.0 | 2.44 | — | — | 3188.0 |
| Delta 3920/PAM | Delta, Delta I | McDonnell Douglas | 08/26/1982 | ✘ | ✘ | 6 | 36.0 | 2.44 | 1280.0 | — | 3188.0 |
| Delta 3924 | Delta, Delta I | McDonnell Douglas | 10/28/1982 | ✘ | ✘ | 5 | 36.0 | 2.44 | — | 954.0 | 3188.0 |
| Delta 4925-8 | Delta, Delta I | McDonnell Douglas | 08/27/1989 | ✘ | ✘ | 2 | 34.0 | 2.44 | 3400.0 | 1200.0 | 3468.0 |
| Delta 5920-8 | Delta, Delta I | McDonnell Douglas | 11/18/1989 | ✘ | ✘ | 1 | 34.0 | 2.44 | 3848.0 | 1405.0 | 3468.0 |
| Delta DM-19 | Thor | United States Air Force | 05/13/1960 | ✘ | ✘ | 3 | 18.42 | 2.44 | — | — | 759.0 |
| Delta II | Delta, Delta II | McDonnell Douglas | 02/14/1990 | ✘ | ✘ | 1 | 39.0 | 2.44 | — | — | 3790.0 |
| Delta II | Delta, Delta II | McDonnell Douglas | 02/19/1994 | ✘ | ✘ | 2 | 38.2 | 2.44 | — | — | 4000.0 |
| Delta II | Delta, Delta II | McDonnell Douglas | 10/24/1998 | ✘ | ✘ | 3 | 38.4 | 2.44 | — | — | 2500.0 |
| Delta II | Delta, Delta II | United Launch Alliance | 11/26/1990 | ✘ | ✘ | 36 | 38.9 | 2.4 | — | 1840.0 | — |
| Delta II | Delta, Delta II | McDonnell Douglas | 05/04/2002 | ✘ | ✘ | 2 | 40.0 | 2.44 | — | — | — |