Just in time production minimizes cost, labor and materials in the manufacturing process.
Just in time learning promotes need-related training being readily available exactly when and how it is needed by the learner.
Just in time inventory is a management strategy that has a company receive goods as close as possible to when they are actually needed.
At the last minute means doing things at the latest moment possible with no regard for cost, labor materials.
The former involves careful planning, communication and collaboration. The latter does not.
When you ship your work, is it just in time? or at the last minute?