It mainly runs and serve the people of the states of Goa, Maharashtra, Karnataka, Gujarat and Kerala.

During that time the train used to start from Cochin Harbour Terminus station.

16337/ Okha–Ernakulam Express has an average speed of 53 km/h and covers 2250 km in 41 hrs 10 mins.

16338/ Ernakulam–Okha Express has an average speed of 50 km/h and covers 2250 km in 44 hrs 15 mins.

As the route is now fully electrified, it is hauled by an Erode Loco Shed or Royapuram Loco Shed based WAP-7 electric locomotive from Ernakulam to Okha.