This train has little occupancy and getting a seat[even window ones] isn't an issue from even intermediate stations. However, it is overtaken by a large number of trains. Daily overtakes include Lucknow-Barauni and LJN-GKP ICE. If some long distance is running, that too will OT this train. It is possible for it to reach GKP post midnight.
Not at all recommended for end to end travel.