Korean Air expands Incheon cargo transfer capacity

Korean Air has finished modernising its cargo terminal at Incheon International Airport, installing automated vehicles and additional transfer lines to move aircraft loading units through the facility. The airline says the upgraded transfer system processes 30 unit load devices (ULDs) an hour, against 18 before the work, and projects a separate increase of more than 25% in overall cargo handling capacity.

The work took place from June 2025 to September 2026 while the terminal continued handling freight. It combined automated guided vehicles (AGVs), new elevating transfer vehicles (ETVs) and a second transfer line in the area previously served by a single bypass. Each element addresses a different movement: AGVs transport loads along assigned paths, while ETVs transfer ULDs between storage positions and workstations.

ULDs are the standard containers and pallets in which airlines assemble freight for carriage. Rather than moving every individual consignment separately across the airside operation, handlers build compatible shipments into these units, secure them and move them through the terminal to the aircraft. Storage and transfer equipment must therefore accommodate large, heavily loaded units while keeping them available in the sequence required for departures. A bottleneck at a shared transfer point can delay an entire group of shipments even when space remains elsewhere in the building.

At Incheon, the single bypass arrangement has been replaced by dual automated transfer lines connected to ETV equipment. By providing another path for a load to move between handling points, the layout can reduce competition for the same transfer position during busy periods. The reported increase from 18 to 30 ULDs an hour is a throughput measure for the upgraded system; it is not evidence that the entire terminal can now process two-thirds more annual freight.

Korean Air expects total cargo handling capacity to rise by more than 25% after the modernisation. That figure is a company projection, whereas the improvement from 18 to 30 ULDs describes the new handling configuration. Actual tonnes processed will also depend on flight schedules, cargo composition, customs and security checks, landside transport access, and how quickly shipments can be built into or broken down from ULDs. Removing one internal bottleneck does not eliminate all the others.

Incheon functions as a major transfer point for South Korea’s international freight network. Export cargo can arrive by truck for consolidation and loading, while inbound units must be broken down or transferred onward to connecting flights. The order in which units are stored and released is important when air freight movements are closely linked to manufacturing schedules or shipments of goods that have limited delivery windows. Faster movement between storage and workstations creates more scope to manage those peaks without relying solely on additional floor space.

Korean Air lists rooms with temperature control, secure handling for valuables and live animal facilities among the existing services at its Incheon Terminal 1. The airline’s public terminal specifications cite a design capacity of 1.43 million tonnes a year, but those published specifications do not establish a new total after the upgrade. Nor can the hourly rate for one transfer section be directly converted into an annual tonnage figure without operating hours, loading patterns and other process capacities.

The airline is also expanding facilities for specialist cargo. Refrigerated products require controlled temperatures during storage and transfer; valuable consignments need restricted access; and shipments subject to additional inspection may occupy workstations for longer than ordinary cargo. Faster physical transfers will offer less benefit when another stage of the handling process remains occupied or unavailable. Korean Air has not given a revised capacity figure for any individual specialist facility.

Automating repetitive handling can reduce the number of direct interactions between staff and heavy loads, which Korean Air identifies as part of its workplace improvement programme. AGVs still require managed routes, safe interactions with personnel and clear arrangements when equipment is stopped or moved out of service. The company has not supplied comparative figures for labour hours, cargo dwell times, energy consumption or safety incidents since completion, so those outcomes cannot yet be measured from the announcement.

Korean Air is also modernising its cargo terminal at New York’s John F. Kennedy International Airport, with completion targeted for 2027. At Incheon, the measurable benchmark is the 30 ULDs an hour transfer rate, while the projected increase in the broader terminal’s handling capacity will depend on how that equipment performs alongside the rest of the operation during changing traffic peaks.