Operations at the Indira Gandhi International Airport here remained normal even as the area witnessed shallow fog today.

No flights were delayed or cancelled due to fog at the airport.

The fog in the early morning hours was a bit dense and the visibility dropped to 700 metres, forcing authorities to implement low visibility procedures, airport officials said.

There was no disruption due to fog at the airport yesterday. Though there were delays and cancellations, it was due to operational reasons.