Dense fog and low visibility have disrupted the air and rail traffic in Delhi today. Around 50 flights are reported delayed due to low visibility at the Indira Gandhi International Airport in the national capital. The movement of several trains is also affected as dense fog has engulfed the northern region of the country, causing low visibility. According to Indian Railways, as many as 24 Delhi-bound trains have been delayed by up to five hours. These include the Gorakhdham Express, Farakka Express, Kalindi Express, Shramshakti Express, Mahabodhi Express, Malwa Express, UP Sampark Kranti, and Ayodhya Express. Passengers are advised to check the latest status of the trains before arriving at the station to board them.