If it runs from Pune in morning as per the info provided above the dep and run with overlap with Mumbai VB at 1500 from AHMD upto Vasai road nearly 440 km.
With Jamnagar AHMd being proposed to be extended Surat they will be too many premium trains in between Surat and AHMD in mid day which travelers will not prefer to travel in that section as they need morning and evening dep before and after business and working hours. Mumbai AhMD Vande Bharat though has WL at Mumbai everyday have 250...
more... vacant seats between Vadodara and AHMD and Shatabdi may have more as it's runs later.