Lines prices around port pairs. It is part of the commoditization of the service.
What if they charged instead based on transit time and schedule reliability? It would elevate ocean carriers' role. Plus, it would create needed differentiation for them and help customers to manage inventory velocity. And it would clarify customers/buyers who are rate chasers vs service chasers. It could also provide an indirect assist for vessel planning and utilization.
Read more about supply chain erosion and container lines at--