I had a similar experience yesterday in Sealdah Rajdhani. DHN,GAYA rt , MGS 1 hour late (Fog in Gaya-Mgs), CNB 1 hour late (4 hr for mgs-cnb full blast), CNB-ETW 3 hour late (2 hr added), ETW-TDL 5 hr late (last 20 km took 2 hours), TDL-NDLS 6 hrs late (1 hour delay added)