The Soyuz-MS which is currently on its 15th successful launch (prior to that had 1 abort without injury)? Versus Starliner which has ostensibly failed 2 out of

The Soyuz-MS which is currently on its 15th successful launch (prior to that had 1 abort without injury)? Versus Starliner which has ostensibly failed 2 out of it's 3 orbital flights to date, not to mention being scrubbed on the pad for critical valve issues and failing to open 1 out of 3 parachutes on its debut launch. I know which one I'd rather get into.