Air Cargo World | SupplyChainBrainEchoing the mid-year reports from several other aviation groups, Airports Council International (ACI) said air cargo tonnage was flat for the first five months of 2016, rising just 0.6 percent in May, year-over-year, and 0.2 percent, y-o-y, over the period of January to May 2015. Passenger traffic, however, was a different story, increasing by 4.6 percent, y-o-y in May. July 25, 2016