Air travel demand up, cargo slump may be over: IATA

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International passenger air traffic was 7.4 percent higher in April 2012 than in the same month last year, but international freight traffic was down 4.5 percent, said the International Air Transport Association (IATA).



However, there are signs that the slump in cargo demand may have bottomed out, with the start of a growth trend in some parts of the world, but economic uncertainty in Europe makes it difficult to be optimistic in the near term, IATA said, Reuters reports.