Chinese port delays push stranded container capacity above Covid peak

Container capacity held up by delays at Chinese ports has now exceeded the peak reached during the Covid-era supply disruption, according to a report carried under WWD's banner — a comparison that, on its face, frames the current situation as worse than the 2021–2022 shipping crisis that defined the post-pandemic freight cycle.

The single-sentence WWD summary does not specify which terminals are affected, which data provider underpins the comparison, or how "stranded container capacity" is being measured. That matters, because the choice of metric determines whether readers are looking at a single-terminal bottleneck or a broader origin-region capacity squeeze.

What does "above Covid peak" actually mean?

The Covid-era peak was not a single number. Different observers anchored to different yardsticks: yard utilisation at congested terminals, dwell time on import boxes, vessel queue length outside key anchorages, or aggregate global schedule reliability. The same terms, used today, can produce different rankings against the same historical peak.

Two readings are possible. If the comparison is anchored to yard utilisation at a specific Chinese terminal complex, the result is largely a function of that terminal's recent operational decisions rather than a systemic story. If it is anchored to vessel queue length off the Chinese coastline, it more directly reflects a shortfall of slots, equipment, or both at a system-wide level.

A skeptical reading is warranted. The report asserts a level comparison without publishing the underlying metric, and analysts frequently revised Covid-peak comparisons downward as data matured over subsequent quarters. Readers should hold the headline finding until the underlying series is published.

What are the commercial consequences?

For shippers, three cost lines typically follow origin congestion within weeks:

• Detention and demurrage charges rise as containers exceed free dwell time at the terminal
• Sailing schedules slip, eroding the transit-time guarantees carriers sell into BCO contracts
• Inland equipment shortages develop, because the boxes that do sail are not always the ones consignees expected at destination

For ocean carriers, the picture is mixed. Congestion supports rate levels in the near term but corrodes schedule reliability — the metric procurement teams actually use to award annual contract volume. Carriers that balance near-term rate capture against medium-term reliability tend to be the ones that win the next round of Asia-origin contract tenders.

For forwarders, the operational question is whether to pre-position empty equipment inland at extra cost now, or wait out the congestion and risk worse delays on the back end. Most will split the difference, paying modest premiums on a portion of bookings to hedge the rest.

What is the forward trajectory?

If conditions persist into the late-autumn export window, expect spot rates to firm further and announced carrier rate increases to translate more reliably into transacted increases. The timing question — and the one worth watching — is whether stranded capacity peaks before or after the typical end-of-year factory slowdown. That timing will determine whether shippers face a short, sharp shock or an extended squeeze that runs into the first quarter.

For now, the prudent posture for procurement teams is to treat the headline as directionally correct and act accordingly: secure space on premium sailings where cargo is time-sensitive, hold standard bookings where it is not, and track the underlying metric once it is published.

— Marcus Bennett