Cargo loading of a British Airways aircraft. Photo Credit: Stuart Bailey / British Airways U.K.-based IAG Cargo saw 2021 cargo revenues at its airline subsidiaries increase to 1.6 billion Euros ($1.8 billion), up 49.8% from 2019 revenues. Tonnage was up 24.4% compared with 2020, while overall yields for 2021 increased 11.3% year over year, IAG