With no respite from dense fog, Delhi-bound trains continued to run late on Saturday causing much inconvenience to passengers.
While 51 trains were running late, services of 10 trains were cancelled due to the weather condition.
Puri Express, Kalka Mail, Garhwal Express and Jalandhar Express were among 10 trains cancelled by railways.
Train schedules were badly affected as some trains were late by more than 20 hours.
Jharkhand SJ Express and Seemachal Express were behind the schedule by 26 hours and 22 hours respectively.
Gondwana Express was running 12 hours late while Howrah Rajdhani was also 10 hours behind the scheduled time, according to Northern Railway.