now a delay of around 15-20 mins only..50-60 times a delay of 15-20 mins..20-30 times around wat u said ..rem 10-20 times we can expect a delay of 1 hou more..also u r saying it reached 15mins early to TPTY in diverted route..it means it might reached TPTY at 07.15..wen the departure time at RU is 07.10 how it reached TPTY by 07.15:)