Which flight routes suffer the world's worst turbulence?

World's most turbulent flights connect Chile's Santiago to Bolivia's Santa Cruz, Bloomberg reported while citing data from turbulence forecaster Turbli. Flights from Tokyo to Kathmandu, New Delhi and Dhaka are also among worst affected routes, followed by Almaty-Bishkek, Lanzhou-Chengdu and Centrair-Sendai. In Europe, flights from Milan to Geneva and Zurich face significant turbulence.