I think you will struggle to find significant amount of collated data in this area due to competetive reasons (do you mean product development lifecycles?).

There is a huge amount of interest in Industrial Digitalisation and Industry 4.0 at the moment, and you may find the attached reference of interest, particularly in terms of understanding industry targets for improvement.

Thank you.

Hi. If you can get the data, I would try Cox Regression perhaps. See the attached paper. Good luck, David