verall air cargo shipments rose 1.2% in January from a year earlier, but domestic shipments dipped 0.5%, the Air Transport Association reported Tuesday.
International air cargo shipments jumped 2.8% from a year earlier to 1.02 million revenue ton-miles, the trade group said in its monthly report.
Domestic shipments dropped to 956,000 RTMs. A revenue ton-mile is the revenue generated by carrying one ton of freight one mile.
Air cargo shipments always have a trucking component, since air carriers use trucks for local and regional ground transportation.
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