Asia-Europe container services are still transiting the Red Sea and Suez Canal even after an attack last week on CU Lines' 2,400 teu CUL Klang, a strike that has done nothing to reverse the industry's drift back toward the shorter routing.

The incident landed amid a deteriorating security environment driven by the escalating Houthi-Saudi conflict. Yet the commercial calculus has not shifted. The signs, according to reporting on carrier behaviour, are that most lines will take the opportunity to traverse Suez while they can.

Why are carriers still routing via Suez?

The answer lies in simple economics. The Cape of Good Hope diversion that carriers relied on during the worst of the Red Sea crisis adds roughly two weeks of steaming time on Asia-Europe loops, burning extra bunker fuel and soaking up vessel capacity. Any resumption of Suez transits releases that capacity back into the network and cuts operating costs per sailing.

For carriers, that means the window of usable Suez routing is worth exploiting for as long as it stays open — even with commercial shipping operating in close proximity to an active war zone. An attack on a single 2,400 teu vessel, while alarming, does not yet outweigh the cost penalty of the Cape routing across an entire Asia-Europe network.

The situation puts shippers in a bind. They are the parties carrying the risk of a rerouting, a delayed arrival or — in the worst case — a damaged or lost box while their cargo sits in a theatre of conflict.

What does the CUL Klang attack signal?

The strike on the CUL Klang matters less as a one-off event than as evidence that hostile actors retain the will and the reach to hit merchant traffic. It confirms the security situation is not trending toward stability. The Houthi-Saudi escalation raises the prospect that today's calculated risk becomes tomorrow's forced rerouting, potentially at short notice and without the gradual capacity adjustments carriers used during the original diversion.

For forwarders, the practical consequence is contractual. Schedules quoted on Suez routings carry an embedded probability of disruption that Cape routings do not. Shippers with time-critical cargo will need to weigh spot-rate savings on shorter routings against the tail risk of a mid-voyage rerouting around the Cape.

What comes next?

Much depends on whether attacks remain sporadic or intensify. A single strike on a mid-size vessel like the CUL Klang can be absorbed; a sustained campaign against large mainline tonnage would likely push the major alliances back to the Cape within days.

Until that trigger arrives, carriers have signalled they will keep sailing through. Shippers routing Asia-Europe cargo should expect Suez transits to continue for now — and should build contingency into lead times in case the security trajectory forces a sudden reversal.