Cold wave in India: Very dense fog was reported in isolated parts of Delhi, Punjab, Haryana, west Uttar Pradesh and northwest Madhya Pradesh on Wednesday late night, according to the IMD.
Fog at one busy airport can cause widespread disruptions as airline networks and operations are complex, with aircraft and crew serving on multiple flights across sectors through the day. Here's what is going wrong at present.
Delhi Airport Flight Delays Today: Scindia also issued this warning after a passenger attacked an IndiGo Airlines staff after a flight delay of 13 hours due to foggy conditions