What an international air charter is
An international air charter is the booking of a whole aircraft for one shipment on a route that crosses a border. The aircraft flies when the cargo is ready, from the airport that suits the shipment, rather than on an airline's published schedule. Charters carry passengers too, but this page is about cargo.
Shippers charter when scheduled international air freight will not work. The cargo may be too large or heavy for scheduled flights, the deadline may be too tight, or no suitable flight may serve the route. Production parts, energy equipment, aircraft parts and relief supplies often move this way.
AirFreight.com arranges cargo charters across North America, between the US, Canada and Mexico. Beyond North America, this guide explains how international charters work.