Abstract: A system and method of providing package shipment by a package shipper including providing options for a shipment route, including at least one portion of the shipment route being air cargo, is disclosed, which may comprise receiving, via a communications network, from a package shipping customer, input including at least an origin, a destination and a latest time for delivery for a package; determining, via a computing device, a first optimized list of alternative shipment routes, optimized for profit to the package shipper; and providing, via the computing device, the customer with an option to further optimize according to a first optimization criteria selected by the customer from a list of a plurality of optimization criteria. The list of optimization criteria may include at least price, time of delivery and greenness.