Freight carriers including container shippers and cargo airlines say global demand is building toward a seasonal peak that could outstrip last year’s as more consumers shop online to overcome coronavirus curbs.

Amid these dramatic swings in demand, ports have continued to pursue infrastructure improvement projects.

While it remains to be seen how the pandemic might shift air freight patterns over the long term, this listing of the 100 busiest cargo airports in North America provides an overview of the most important hubs for air freight.

FedEx Corp. and UPS Inc. are girding for their biggest test yet in the e-commerce era, with “Christmas Creep” pushing the holiday shopping season ever earlier and stretching the limits of shipping networks already strained by the COVID-19 pandemic.

The Kenan Advantage Group Inc. announced it completed the acquisition of Fort Transfer Co. in Morton, Ill.

China’s biggest refiner is eyeing a creative strategy to help rid Asia of a persistent diesel glut — brand new supertankers usually reserved for crude oil.

Amazon .com Inc. is about to see whether shoppers wary of contact with package delivery drivers would rather let them into the garage instead.

Dell Technologies Inc., FedEx Corp. and Switch Inc. are building a U.S. network of data centers, offering businesses an alternative to maintaining their own server farms or using major cloud providers such as Amazon .com Inc. and Microsoft Corp.

When Pfizer Inc. and BioNTech SE’s COVID-19 vaccine rolls off production lines, Shanghai Fosun Pharmaceutical Group Co. will be waiting to distribute it through a complex and costly system of deep-freeze airport warehouses, refrigerated vehicles and inoculation points across China.

The food retail sector and fleets that support it are headed for a particularly busy holiday season, experts say.