American Airlines Cargo flew 190.5m cargo ton miles in July, up by 5.7% on the same month of 2015.
Over the first seven months of the year, the carrier flew a total of 1.35bn cargo ton miles, representing a year on year improvement of 1.2%.
North America rival United Airlines reported similarly healthy cargo traffic figures two days ago (8 August). United Cargo flew a total of 238.1m cargo revenue ton miles in July, up by 10.1% on the same month of 2015.