New Delhi: Aviation industry lobby group International Air Transport Association (IATA) on Tuesday downgraded its world wide traffic forecast for 2020 to reflect a weaker-than-expected recovery, it said in a statement.IATA now expects full-year 2020 traffic to be down 66% compared to 2019, it said.August passenger demand continued to be hugely depressed against normal levels, with revenue passenger kilometers (RPKs) down 75.3% compared to August 2019, it added."This was only slightly improved compared to the 79.5% annual contraction in July.
Domestic markets continued to outperform international markets in terms of recovery, although most remained substantially down on a year ago," IATA said in the statement."August capacity (available seat.