94% of the flights at the Riyadh airport were canceled due to the activity in Yemen Bloomberg reported: The operation in Yemen caused an almost complete paralysis of air traffic in the capital of Saudi Arabia, and between October 10 and 27, 94% of the flights departing from the Riyadh airport were canceled. This operation forced Riyadh Air to transfer its operations to an airport 400 kilometers away and to operate only limited flights until further notice. radio.