FLOSSI IS A ROCKET MAN
The European Space Agency (ESA) has achieved notable success rates with its primary launch vehicles over the years:
Ariane 4
Operational Period: 1988–2003
Total Launches: 116
Successes: 113
Failures: 3
Success Rate: Approximately 97.4%
Ariane 5
Operational Period: 1996–2023
Total Launches: 117
Successes: 112
Partial Failures: 3
Failures: 2
Success Rate: Approximately 95.7%
Vega
Operational Period: 2012–2024
Total Launches: 22
Successes: 20
Failures: 2
Success Rate: Approximately 90.9%
NASA has utilized various launch vehicles over the decades, each with its success rate. Here's an overview of some of the primary rockets:
Atlas V
Operational Period: 2002–Present
Total Launches: 100 (as of June 2024)
Success Rate: 100% mission success; 99% vehicle success.
Delta Rocket Family
Operational Period: 1960–2024
Total Launches: Over 300
Success Rate: Approximately 95%
Space Launch System (SLS)
Operational Period: 2022–Present
Total Launches: 1 (as of 2022)
Success Rate: 100%
Russia has developed and operated several prominent launch vehicles over the decades, each with varying success rates. Here's an overview of some key Russian rockets:
Proton Rocket Family
Operational Period: 1965–Present
Total Launches: 430
Successes: 382
Failures: 44
Partial Failures: 4
Overall Success Rate: Approximately 88.8%
Proton-M
Operational Period: 2001–Present
Total Launches: 115
Successes: 104
Failures: 9
Partial Failures: 2
Success Rate: Approximately 90.0%
Soyuz-U
Operational Period: 1973–2017
Total Launches: 786
Successes: 764
Failures: 22
Success Rate: Approximately 97.2%
Soyuz-2
Operational Period: 2004–Present
Total Launches: 148
Successes: 143
Failures: 4
Partial Failures: 1
Success Rate: Approximately 97.0%
Zenit Rocket Family
Operational Period: 1985–2017
Total Launches: 84
Successes: 71
Failures: 13
Success Rate: Approximately 84.5%
China's space program has developed a series of launch vehicles, notably the Long March (Chang Zheng) rocket family, which has demonstrated a high success rate over the decades:
Long March Rocket Family
Operational Period: 1970–Present
Total Launches: 561 (as of February 27, 2025)
Successes: 542
Failures: 10
Partial Failures: 9
Success Rate: Approximately 96.6%
Long March 5
Operational Period: 2016–Present
Total Launches: 13 (as of December 16, 2024)
Successes: 12
Failures: 1
Success Rate: Approximately 92.3%
Long March 3B
Operational Period: 1996–Present
Total Launches: 104 (as of February 22, 2025)
Successes: 100
Failures: 2
Partial Failures: 2
Success Rate: Approximately 96.2%