What's Clogging China's Air Traffic Pipeline?

Madam Wang knows Beijing airport terminals like the back of her hand. She's a typical local businesswoman who frequently flies from the airport to cities around China.

But these days, Wang has been getting to know Beijing Capital International Airport a little too well – to the point of frustration.

Wang is a victim of regularly occurring flight delays. Each of the four flights she took over a fortnight this autumn were delayed, pinning her helplessly to airport terminal chairs.