Flightradar24. Dense fog in Northern India has disrupted operations at Delhi's IGI Airport, causing 27 flight cancellations (16 departures, 11 arrivals). The Ministry of Civil Aviation has urged passengers. Delhi ‘s Indira Gandhi International Airport will temporarily close its runway every day until January 26, from 10:20 am to 12:45 pm, as part of heightened security measures for Republic Day.