Delhi is witnessing dense fog for the second consecutive day on Saturday, prompting the airport to state in an advisory that flights that are not CAT III compliant might get affected. At the Indira Gandhi International Airport, departure delays of an average of 37 minutes were witnessed as on 8 am, as per FlightRadar 24. Almost 100 flights were delayed, while six Delhi-bound flights were diverted. On Friday, more than 400 flights were delayed due to bad weather conditions at the airport.