After a day of disruption, flight operations from Delhi airport remained normal on Sunday due to a clear sky.
Almost 45 domestic departures and 25 arrivals were delayed by two to five hours and 17 international flights were diverted yesterday when thick fog and a cable fault played havoc with flight operations.
Airport sources said there was fog around midnight but the sky started clearing by morning and operations went normally.
Meanwhile, six domestic flights to Amritsar, Leh and Srinagar were cancelled due to poor weather at the destination.
Some international flights were delayed up to three hours around midnight due to fog as the runway visibility was less than 150 metres. The present visibility at main runway is around 2,000 metres while at the new runway it is 1600 metres, Met dept at the airport said.