Meanwhile, Flight operations at the Indira Gandhi International (IGI) airport were also affected. Over six International and seven domestic flights were delayed, 1 domestic flight cancelled due to poor visibility.
Also, in Uttar Pradesh, foggy weather has disrupted normal life in most parts of the state since last three days. Parts of Punjab recorded very dense fog with visibility reducing to nil.
Last week too, hundreds of flights were delayed and many were cancelled after dense fog hit the National Capital.