The decision to send Boeing's Starliner capsule home uncrewed from the ISS was driven in part by time constraints, according to NASA astronaut Butch Wilmore.

'We just ran out of time': Boeing Starliner astronauts on why their spaceship returned to Earth without them

Source: space
Source Link: https://www.space.com/boeing-starliner-ran-out-of-time-butch-wilmore-suni-williams