My assumption Breaking of timings if diversion happens.
VSKP 23.55(35 mins postponement); RJY 03.15/20; BZA(via Akkividu) 06.40/07.00; GNT 07.40/50; SC 12.50/13.05; WADI 16.25/30; KLBG 17.11/13; SUR 19.10/20; Pune 23.55/00.05; KYN 02.35/40; LTT 03.25|| LTT 06.50; KYN 07.30/35; PUNE 10.00/10; SUR 14.35/45; KLBG 16.42/44; WADI 17.25/30; SC 20.50/21.05; GNT 01.52/57; BZA 02.45/03.05; RJY 06.25/30; VSKP 09.50||
18519 covering 1460 kms in 27.5 hrs @ 53 kph. 18520 covering 1460 kms in 27 hrs @ 54 kph.