Long haul air freight that waits for available cargo space, usually one to two days, at a reduced rate.
Air freight with less urgency, delivered over a period of days.
Air Freight shipments that are not time sensitive and can be delivered at a lower cost on later flights. Delivery service is as a rule, between three to five business days.
Property received for air transportation at a level of service lower than standard service (e.g., space available) and transported at a lower charge than standard air freight.
Arrangements can be made according to the tariffs of some air carriers to have less urgent freight delivered at a lower cost on later flights which are more convenient for the airline.