Some Points to be Noted in this time make up by Puru
BKSC to CRP
Distance :- 15 kms
Time alloted :- 51 mins
Normally a trains covers this distance in 20 mins...
more...

here.... 31 mins slack utilised here
so.. the delay drops from 55 mins to 28 mins here
.
.
PRP to GAYA
Distance :- 32 kms
Time alloted :- 57 mins
Avg speed alloted :- 34 kmph
Note:- Ghat section finishes at Gurpa.. hence the MPS run starts from here
Time taken actually..:- 30 mins
Delay reduced from 34 mins to 7 mins
Total delay reduced 27 mins
.
.
BBU to MGS
Distance :- 54 kms
Time alloted :- 69 mins
Avg speed alloted :- 47 kmph
a normal train takes app 45 to 50 mins to cover this distance if it is not made to stop at MGS outer
Actual time taken : 48 mins
Delay reduced from 11 mins to 10 mins BT
.
.
GZB to NDLS
Distance :- 25 kms
Time alloted :- 65 mins
Avg speed :- 23 kmph alloted
almost any train from GZB to NDLS on an avg takes 40 mins to cover this distance including Rajdhani, DRNT Shtb
Actual time taken :- 35 mins
Delay reduced from 23 mins to 7 mins BT
.
.
Hence we can say, if the slack was not infused, the delay would had accumulated and made it more delayed. Though more credit goes to NCR controlling today