Although it reached late at Patna today by around 20-22 hrs. Yet it will depart rt from Pnbe due to the fact that one day was break time for it.. And if it departs rt today, you can expect it to reach Anvt by 4-6 hrs late.
Which means it may dep around 2-4 hrs late only.. But will reach Pnbe around 8-12 hrs late..