West Coast Ports Hit Record Volumes: LA, Long Beach Break All-Time Highs
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The signal
The Ports of Los Angeles and Long Beach achieved historic container volumes in September 2024, with LA processing 1.04 million TEUs (up 18.1% year-over-year) and Long Beach handling 997,177 TEUs (up 25%), driven primarily by ocean routing decisions rather than consumer demand shifts. The surge reflects structural factors including Suez Canal uncertainty, diesel prices, and trade policy decisions that have concentrated cargo on the fastest transpacific lanes serving Southern California, rather than a retail peak season pattern. This concentration has created significant operational pressure downstream.
Rail-destined containers at San Pedro Bay are experiencing dwell times near 7 days (the longest of the year), while truck dwell remains manageable at just under 3 days. Trucking capacity has contracted even as rates and expenditures have climbed significantly, forcing shippers to convert rail containers to transload and over-the-road solutions, particularly on longer-haul lanes out of the region. The traditional freight calendar is effectively broken, with peak season now driven by geopolitical and fuel factors rather than retail calendars.
Supply chain professionals must rethink capacity planning assumptions and shift from historical seasonality patterns to dynamic routing models. The market now punishes rigid planning: organizations dependent on traditional freight calendars for drayage, chassis, and outbound capacity allocation will continue to face unexpected constraints and margin pressure.
Frequently Asked Questions
What This Means for Your Supply Chain
What if rail capacity at San Pedro Bay stays constrained, forcing 40% more containers to convert to transload and over-the-road?
Simulate sustained rail dwell times of 7+ days (current levels) over 8-12 weeks, forcing conversion of 35-40% of rail-destined containers to transload and truck-based solutions. Model the impact on outbound capacity availability on longer-haul lanes (e.g., LA to Texas, LA to Midwest), drayage pricing, and service levels for freight requiring rail connectivity.
Run this scenarioWhat if Suez Canal access normalizes, causing transpacific routing to diversify away from LA/Long Beach?
Simulate a 30-35% reduction in LA and Long Beach container volumes over 6-8 weeks as Suez Canal uncertainty resolves and shippers shift cargo routing back to East Coast, Gulf Coast, and other Pacific gateways. Model the resulting drayage capacity utilization, pricing pressure, and rail dwell time improvements at San Pedro Bay ports.
Run this scenarioWhat if diesel prices spike 20%, further incentivizing transpacific routing to West Coast ports?
Model a 20% increase in diesel fuel costs over 4-6 weeks. Evaluate whether this accelerates cargo concentration at LA/Long Beach, how drayage pricing would adjust, and what happens to truckload linehaul rates, linehaul index, and longer-haul outbound capacity constraints from Southern California. Include impact on transload capacity and conversion rates from rail to over-the-road.
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