It doesn’t look like you considered the Plus models at all here. Apple has done their model lineup a disservice by Plus differentiating not only by the size of the screen, but also by the number of cameras. Dual cameras are turning out to be extremely relevant functionality to more than fake bokeh and zoomable photos.
So the answer is that in order to work, the solution must be bigger. Match with cargo handling, forwarding, hold, etc. The trouble is this becomes very, very difficult for a small software team to tackle with a lean approach and budget.
Transport infrastructure is big. The challenge is to find those approaches where changing how it works can start with something small.