For May 2017, Changi Airport’s biggest source market was India with a 21 per cent y-o-y growth in passenger traffic. Traffic to and from Mumbai and Chennai have risen by more than 20 per cent, states the official report.For the month of May, passenger traffic was boosted by a robust 17 per cent growth in South Asia traffic, while 5.0 million passenger movements were recorded which was 4.6 per cent higher than in the same period last year. As on June 1, 2017, more than 100 airlines operate at Changi Airport, connecting Singapore to some 380 cities in about 90 countries and territories worldwide. With more than 7,000 weekly scheduled flights, an aircraft takes off or lands at Changi roughly once every 90 seconds.