The 17312 Vasco da Gama Chennai Express covers the distance of 1,070 kilometres in 21 hours 25 mins (49.96 km/hr) and in 23 hours 10 mins (46.19 km/hr) as 17311 Chennai Vasco da Gama Express.
As the average speed of the train is below 55 km/hr, as per Indian Railway rules, its fare does not include a Superfast surcharge.