Most Reliable Crew Launch Vehicles by Success Rate

Comparing the reliability of modern spacecraft currently ferrying astronauts to the ISS based on operational success and safety records.

The top 3

  1. SpaceX Crew Dragon’s Perfect Record: The Crew Dragon, used by SpaceX, has maintained a 100% success rate for crewed launches, becoming the primary vehicle for NASA's Commercial Crew Program. SpaceX
  2. Soyuz: The Historical Workhorse: The Russian Soyuz spacecraft holds the record for the most total crewed flights in history, known for its extreme reliability over decades of service. Soyuz
  3. Boeing Starliner’s Development Challenges: Despite significant technical delays, Boeing's Starliner represents the newest addition to the U.S. crew launch fleet, aiming to diversify transport options. Boeing

Sources

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