Port congestion is at four year high and data is hiding it

Global container shipping is experiencing its most widespread port congestion in four years, yet many of the industry's headline performance indicators suggest the opposite.

Average vessel delays have stabilised, schedule reliability has improved on some trade lanes and an increasing number of ships are even arriving “early".

That apparent improvement masks a more complex reality.

Shipping lines have progressively extended published transit times, to reflect the disruption that has affected global liner networks since the Red Sea crisis. Longer schedules make it easier for vessels to arrive on time against revised arrival windows, even though the underlying causes of delay remain firmly in place.

For cargo owners, the result is that reported performance no longer tells the full story. Congestion continues to affect ports, terminals and inland transport networks, but much of the disruption is now hidden within the longer published schedules rather than reflected in conventional delay statistics.

Longer schedules are disguising operational disruption

Carrier schedule adjustments were introduced to make services more resilient after months of vessel diversions, longer voyages and unpredictable port operations.

By building additional time into rotations, carriers have created greater flexibility to recover delays before reaching the next port. This has produced an unexpected consequence.

Compared with pre-pandemic trading conditions, the proportion of vessels arriving ahead of schedule has more than tripled. These "negative delays" reduce average delay calculations, making global performance appear stronger even where ships continue to experience congestion throughout their voyage.

In practice, vessels may still spend longer waiting outside ports, encounter slower terminal operations and arrive later than customers would previously have expected. The difference is that the published schedule has already absorbed much of that delay.

For shippers planning production, inventory and customer deliveries, transit time has effectively increased, even though reported schedule performance appears to have improved.

Congestion continues to build across global gateways

Behind the headline statistics, operational pressure continues to increase.

More than 10% of the global container fleet is currently waiting at anchorage, the highest level recorded for four years.

Congestion remains particularly severe across Asia, where adverse weather, strong export demand and vessel bunching continue to affect productivity at several of the world's busiest container hubs.

China's principal gateways continue to experience berth delays, while transhipment centres including Singapore, Colombo and Busan are handling significant schedule disruption as delayed vessels arrive in clusters rather than at planned intervals.

Those delays quickly spread through carrier networks.

A vessel arriving only two or three days behind schedule at one port may subsequently omit a port call, shorten cargo operations or transfer containers onto later sailings to recover its rotation. The disruption therefore extends well beyond the port where the original delay occurred.

India highlights how quickly disruption can escalate

Current conditions at Jawaharlal Nehru Port (Nhava Sheva) demonstrate how multiple operational issues can combine to reduce effective capacity.

Heavy monsoon rainfall has disrupted terminal operations, while flooding and severe congestion have slowed truck movements between container freight stations and port terminals. High winds have forced temporary operational restrictions, and a separate terminal incident has further affected berth productivity.

Although these events are localised, their impact extends much further.

Delays at one of India's principal export gateways reduce equipment availability, lengthen vessel turnaround times and place additional pressure on already constrained services into Europe and North America.

For exporters, the consequences include longer booking lead times, increased rollover risk and less flexibility when vessels reach capacity.

Stay ahead of changing market conditions

Port congestion rarely affects every trade lane equally, but it can quickly alter shipping schedules, equipment availability and transit times.

Logicall's ocean freight specialists continuously monitor carrier performance, port operations and developing congestion across major global trade routes, providing customers with timely market intelligence and practical routing advice when disruption occurs.

Contact Logicall's ocean freight team to discuss your international shipping requirements or the latest conditions on your key trade lanes.