[international Air Transport Association: international air passenger traffic has returned to more than 90% in 2019] the 79th annual conference of the International Air Transport Association (IATA) was held in Istanbul, Turkey. Willie Walsh, director-general of the International Aviation Association, said the latest figures show that international air passenger traffic has returned to more than 90 per cent in 2019 and is expected to make a net profit of $9.3 billion this year. According to data, IATA has a total of 300 member airlines in the world, and its regular international flights account for 83% of the world's passenger traffic.