12349/Bhagalpur–New Delhi Weekly Superfast Express has average speed of 76 km/h and covers 1220 km in 21 hours 30 minutes. 12350/New Delhi–Bhagalpur Weekly Superfast Express has average speed of 73 km/h and covers 1220 km in 21 hrs 55 minutes.
Previously this train was running via Patna Junction but from 18 March 2019 it is running via Gaya Junction. Instead of 17:30 hrs the train departed Bhagalpur junction at 15:30 hrs because time table of this train is changed from Bhagalpur Junction to Pandit Deen Dayal Upadhyay Junction. Also, it is running with LHB coach from 18 March from Bhagalpur Junction to New Delhi.