Flughafen Wien, Vienna airport operator, for the first six months of 2009 has reported a slump in revenue of 10.3% compared with the same period last year, with € 244.6 million. However, this data is lower than the decrease in passenger traffic that saw 8,432,872 people in transit through the Austrian airport, 12.7% less than the January-to-June period in 2008. Also net profits recorded a significant f...