The India Meteorological Department (IMD) predicted cold conditions at isolated places and mainly clear skies in the city. The Met Office also said smog or moderate fog at most places with dense fog at isolated places likely in the morning,

The country's largest airline IndiGo had temporarily put arrivals and departures on hold at the airport early in the morning.

According to FlightRadar24, Delhi Airport reported an average delay of 19 minutes for arriving flights and 45 minutes for departures as of 9 am.

Post-holiday travel into and out of International Airport has been thrown into disarray by Winter Storm Blair.

More than 100 flights were delayed at the Delhi airport on Sunday due to adverse weather conditions. An official said there have been no flight diversions or cancellations so far. Low visibility conditions due to dense fog have been impacting flight operations for three days now.