Interesting thing is 12556 dep CNB @ 3.15 RT, 12554 dep CNB @ 3.57, late by 1 hr 32 mins... But 12554 reached GKP @ 10.44, late by 1 hr 44 mins.. and 12556 was at Domingarh @ 12.18.. yet to reach GKP.
Honestly only GOD knows what actually is happening.