Airline profits will reach $6.7 billion this year and will grow to $8.4 billion in 2013, according to the International Air Transport Association. The prediction shows a slight increase over IATA’s previous estimates of $4.1 billion for 2012 and $7.5 billion in 2013. The boom in revenues will occur despite cargo activity, however, which IATA predicts will show slight growth. Global cargo demand will increase by 1.4 percent next year, but this growth will not overtake ...