Why the last mile costs the most
The last mile — the final leg from local depot to the customer's door — can account for up to half of total shipping cost. The reason is structural: line-haul moves thousands of parcels in one dense trip, but the last mile splinters into hundreds of individual stops, each with its own address, access problem, and chance of failure.
Where the cost leaks
- Failed deliveries: A missed drop means a second attempt — doubling the cost of that stop for zero extra revenue.
- Low drop density: Scattered stops mean more driving between fewer deliveries.
- Manual proof of delivery: Paper PODs delay invoicing and create disputes that eat margin later.
- Poor visibility: "Where is my order" calls consume support time the delivery price never accounted for.
The levers that actually work
Cutting last-mile cost comes down to a few things: raising first-attempt success with accurate windows and live tracking, increasing drop density through better routing, and digitizing proof of delivery so the invoice goes out the moment the parcel lands. Each one attacks a specific leak rather than shaving the whole cost uniformly.
A failed first delivery is the most expensive event in the last mile. Everything that raises first-attempt success pays for itself twice.
Visibility is not a feature — it's cost control
Real-time tracking and accurate ETAs are often sold as customer experience. They are really cost control: they cut failed deliveries, reduce inbound "where is it" contacts, and give the customer a reason to be home. In the last mile, keeping the customer informed is one of the cheapest ways to protect margin.