If you're flying in to Delhi or out of Delhi, heads up. Flight operations at the Indira Gandhi International Airport were today normal even as the airport witnessed shallow fog.

The visibility remained good through the night. Though there was shallow fog in the morning, it had no effect on the flight operations as the visibility remained above 1,000 metres, airport sources said. The runway visibility on main runway was above 2000 metres through the night but it dropped to 1900 metres in the morning. Similarly, the visibility on the third runway was around 1600 metres and it dipped to 1200 metres.But there was no disruption of flight movement. Dense fog had affected the schedule of over 250 flights after it enveloped the airport on January 14 and 15.