Cargo · 6 October 2026
Inside an express cargo hub's night sort
Sort waves, ULD build-up and dangerous goods: how the overnight cargo network keeps its promises.
By Danyal Saleem

Express cargo networks run on tight night windows. Inbound aircraft arrive in waves, shipments are sorted, and outbound containers and pallets (ULDs) are built and loaded before a hard cut-off.
Every ULD has weight and contour limits, and dangerous goods must be segregated correctly. Some lithium battery shipments may only travel on cargo aircraft.
The Cargo hub trainer lets you build ULDs, catch errors, and see what a late inbound does to the sort.
Share this article
Practise this in the virtual OCC
Create account or sign in
