Air Cargo Quote

Chargeable weight is the weight an airline actually bills. It is the greater of two figures: the actual gross weight of the shipment, including pallets and packaging, and its dimensional weight, which reflects how much space the freight takes up in the aircraft. Air cargo is priced this way because on many flights the space runs out before the weight capacity does. A pallet of dense steel parts usually bills on its actual weight. A large, light crate of foam or plastic housings usually bills on its dimensional weight. Knowing which one applies to your freight helps you read a quote and spot where tighter packing could lower the chargeable weight.

Measure each piece's length, width and height in inches, rounding up to the nearest inch. Multiply the three to get cubic inches, then divide by the airline's dim factor to get pounds. A common divisor for domestic air cargo is 166, which matches the international standard of 6,000 cubic centimeters per kilogram, although some carriers and express services use a different figure. For example, a crate measuring 40 by 30 by 30 inches has 36,000 cubic inches, which works out to about 217 pounds of dimensional weight. If that crate weighs 120 pounds on the scale, it bills at about 217 pounds, because the larger of the two figures applies.

Parcel shipping moves individual boxes through a carrier's sorting network of automated hubs, scanners and delivery vans. Parcel networks are built for packages a person can lift, typically up to about 150 pounds each. Freight covers anything larger or heavier, such as palletized goods, crates, machinery and loose pieces that need a forklift. Freight moves on trucks, in aircraft holds or on charters, usually under one bill of lading or air waybill for the whole shipment rather than a label per box. The distinction matters for urgent shipments, because a part that exceeds parcel limits needs a freight service, and parcel networks rarely offer the dedicated handling a time-critical shipment needs.

Standard air freight travels on scheduled flights, in the holds of passenger aircraft or on freighters that fly set routes. The shipment shares space with cargo from other shippers, follows the airline's schedule and cutoffs, and may connect through a hub. An air cargo charter books an entire aircraft for one shipment. It departs when the cargo is ready, flies directly to the airport nearest the destination and can use smaller airfields that scheduled flights do not serve. A charter costs considerably more, because the shipper pays for the whole aircraft. It is used when no scheduled flight meets the deadline, or when the freight is too large or too sensitive for shared space.

Next flight out is an expedited air service that places a shipment on the first available scheduled flight with space between two airports. It sits between standard air freight and a charter. The freight still flies on a shared airline flight, so it costs far less than chartering an aircraft, but it is booked for the earliest departure rather than the most economical one. A courier or truck picks up the freight and delivers it to the airline's cargo terminal before the cutoff, and another truck recovers it at the destination airport. It suits replacement parts, documents and other small to mid-sized shipments that need to arrive as soon as possible.

A door-to-door air cargo quote covers the whole trip, from the shipper's dock to the receiver's door. It includes pickup at origin, delivery to the airline or charter aircraft, the flight itself, recovery at the destination airport and final delivery. A good door-to-door quote also reflects the chargeable weight, any special handling such as hazardous materials or a liftgate, and the service level needed to meet the deadline. Because every leg is included, it is the number to compare when deciding how to ship. A quote that covers only part of the trip can look lower, but it leaves the shipper to arrange and pay for the missing legs separately.

An airline airport-to-airport rate covers only the flight, from the origin airport's cargo terminal to the destination airport. The shipper, or someone they hire, has to get the freight to the terminal before the cutoff and collect it on arrival. Those trucking legs, along with screening, handling and any waiting time, are not in the airline's figure. A door-to-door quote rolls all of that into one number, so it is naturally higher than the flight rate alone. Online airline rate calculators also tend to show standard service only. When comparing, add the cost of pickup and delivery to the airline rate before deciding which option is actually cheaper.

Ocean freight costs much less per pound than air cargo, which is why most of the world's goods by weight travel by ship. The trade-off is time. Ocean shipments take weeks once port handling and customs are included, while air cargo moves in days or even hours. Air carries a large share of world trade by value, because it suits high-value, time-sensitive goods such as electronics, medical supplies, aerospace parts and replacement equipment. Ocean freight only applies to international moves. Within the United States, the realistic alternatives to air are expedited ground and dedicated trucks, which can be faster than flying on shorter distances.

Many hazardous materials can ship as air cargo, but they must meet strict rules. In the United States, the Department of Transportation and the FAA regulate dangerous goods by air, and airlines also follow the IATA Dangerous Goods Regulations. Shippers must classify the material, pack it in approved packaging, mark and label it, and provide a signed shipper's declaration. Some materials are allowed only on cargo aircraft, some have quantity limits per package, and some cannot fly at all. Common examples include lithium batteries, paints, aerosols, flammable liquids and certain chemicals. Declaring hazardous materials up front matters, because it decides which flights or charters can carry the shipment.

A freight minimum is the lowest charge an airline or service will bill for a shipment, no matter how little it weighs. Airlines set minimums because handling, paperwork, screening and loading cost roughly the same for a small box as for a larger piece. For light shipments, the minimum often applies instead of the per-pound rate, so a very small shipment can cost the same as something several times heavier. Pickup and delivery services usually carry their own minimums as well. For small urgent items, the main alternatives are next flight out or hand carry, where an onboard courier keeps the piece with them from pickup to delivery.