Amazon chartered its own ships, built up Amazon Air, and hired 150,000 seasonal workers.
The retailer is one of many to take extra steps to move goods in time for holiday shopping season.
The smaller ports allow the company to avoid backlogs at the nation's largest port that can add as much as two months to a shipment's delivery time.
Earlier this fall, the retail giant hired 150,000 seasonal workers to work in their warehouses, compensating for the surge in consumer demand.
"At Amazon, preparation for the holiday season begins on January 1," the company said in a blog post.
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