"With business and consumer confidence continuing to slump globally there is not a lot of optimism for improved conditions any time soon."
August traffic results were in line with expectations for a decline in profitability heading into 2012, with total industry profits expected to fall from US$6.9 billion in 2011 to US$4.9 billion, the association said.
"Economic uncertainty owing to the European sovereign debt crisis and the growing likelihood of a protracted period of slow growth in developed economies mean the industry will be even more focused on reducing costs and improving efficiency," said Tyler.
The airline industry had historically delivered collective losses when gross domestic product (GDP) growth fell below 2 per cent, the association said.
GDP growth was expected to be 2.5 per cent this year, with 2.4 per cent projected for 2012.
Tyler said: "To ensure that airlines can continue to catalyse economic activity, we need Governments to review the often onerous tax burden that they place on aviation."