Maersk Goes Back Through Suez — and Sets a Trap for Its Own Rates

Alternative headlines:  The Red Sea Return Is a Capacity Story Dressed as a Safety Story   ·   Every Ship That Returns to Suez Is an Argument Against Today's Rates

Large-boxship transits through the Bab el Mandeb are up 215% year on year. That is good news for schedules and awkward news for the pricing power carriers have spent eighteen months rebuilding.

THE SET-UP

Maersk has restored a second service through the Suez Canal. Its Middle East–US East Coast offering, MECL, now joins the AE15 in routing through the Red Sea, and the Danish carrier is presenting the move as the measured next step in a gradual return after months of trial sailings. Framed as operational prudence, it reads as reassuring: the world's second-largest liner testing the water, ship by ship, corridor by corridor.

Framed as economics, it reads rather differently. Every vessel that goes back through Suez instead of round the Cape of Good Hope claws back ten to fourteen days of sailing time. Those days are not abstract — they are floating capacity. For eighteen months, the diversion around Africa has functioned as an enormous, involuntary capacity sink, soaking up ships and holding rates aloft. Maersk's return is the first serious signal that carriers intend to drain that sink the moment risk permits. The interesting question is not whether the Red Sea is safe. It is what happens to freight rates when the ocean's biggest sponge is wrung out.

Chart 1 — Large-boxship (>10,000 TEU) Bab el Mandeb transits, indexed to H1 2025 = 100. NauticX original visualisation.

THE READ

The scale of the return is already visible in the data, and it is not marginal. Transits of boxships above 10,000 TEU through the Bab el Mandeb jumped 215% in the first half of 2026 against the same period last year. This is not a handful of cautious probes; it is the large-tonnage backbone of the deep-sea fleet edging back into the corridor. Sixteen vessels in the 16,000–19,000 TEU bracket and seven above 20,000 TEU passed through Suez in the first half — precisely the ships whose absence did most to tighten the Asia–Europe trade. When the biggest boxes come back, they bring the most slack with them.

Chart 2 — Very large boxships transiting Suez in H1 2026, by class. NauticX original visualisation.

“For eighteen months the Cape diversion has been an involuntary capacity sink. Maersk's return is the first signal that carriers intend to drain it.”

Set that against how much capacity the market is currently missing, and the trap comes into focus. Sea-Intelligence reckons global container shipping is short of roughly 1.8 million TEU because of delays; strip out the pre-pandemic baseline and about a million TEU is effectively unavailable, largely because schedule reliability has settled at a dismal 50–65%, down from the 70–80% that was normal in 2011–2019. That missing million is doing quiet, heavy lifting under today's firm rates. A sustained normalisation of Red Sea routing would begin to return it — shorter round voyages, better reliability, more effective slots chasing the same cargo. The mathematics are unforgiving: the very act of the corridor healing is a downward force on the rates that its disruption created.

Chart 3 — Schedule reliability and delay-driven missing capacity. NauticX original visualisation of reported figures.

There is a governance layer to this too, and it cuts the other way. The return is happening even as Middle East tensions have flared again, with fresh military exchanges in the region. That is the genuine tension in the story — carriers are trying to walk back into a corridor whose risk profile has not settled. But note the direction of travel. The 215% jump did not happen in a calm month; it happened against a backdrop of intermittent conflict, which tells you how badly operators want those ten-to-fourteen days back. Intent, here, is the leading indicator. The instant the security picture allows a clean run, the sponge gets wrung out in earnest.

THE COUNTER-VIEW

The obvious rebuttal is that I have the timing exactly backwards. The Middle East has just reignited; a serious escalation would send every prudent operator straight back around the Cape, re-absorbing capacity and re-tightening the market. That is entirely possible, and no responsible desk should be short freight into a live conflict. But a temporary reversal does not change the structural read — it merely delays it. What the first half of 2026 established is the elasticity of carrier behaviour: the moment perceived risk falls below a threshold, tonnage floods back through Suez. That reflex is now measurable. It means the market should treat every lull in the Red Sea not as relief but as a warning about capacity, and price accordingly.

THE TAKEAWAY

Hold two clocks at once. The security clock is fast, noisy and headline-driven; it can re-empty the Cape route overnight and briefly rescue rates. The capacity clock is slow and structural, and it is ticking in one direction only — towards a corridor that, whenever it stabilises, gives back more slack than the market currently prices. The metrics to watch are the large-class transit counts through the Bab el Mandeb and the trajectory of schedule reliability. When both keep rising together through a quiet patch, the trap has sprung: the disruption premium in today's freight rates is living on borrowed time.