At least 101 trains were running behind schedule and seven were cancelled due to dense fog in parts of north India on Saturday morning, a media report said.
"At least 101 trains were running behind the schedule due to the dense fog," ANI tweeted.
The railway has also rescheduled 18 trains on Saturday.
Meanwhile, according to the Delhi International Airport Limited, which manages operations at the Indira Gandhi International airport here, six international flights, 13 domestic flights were delayed.
Meanwhile, airlines have requested all passengers to cross check their flight status before leaving for the airport.
Yesterday, the maximum temperature settled at 26.6 degrees Celsius while the minimum temperature was recorded at 7.7 degrees.
