The 12625 / 12626 Kerala S. F Express is a daily Superfast Express train of the Indian Railways that connects the National Capital of India New Delhi to State Capital of Kerala Thiruvananthapuram Central. It is the Daily second longest train after 22053/22054 Dibrugarh Kanniyakumari Dibrugarh Vivek Superfast Express which runs daily that travels 4139 km in more than 70 hours. Kerala express travels 3031 km of distance in 51 hours and 10 minutes. It frequency is Daily.

History

The Kerala Express was introduced in 1977 as a split train named Kerala–Karnataka (KK) Express. The composition of Karnataka–Kerala Express has been increased from 14 coaches to 21 coaches with effect from 29 January 1981. Kerala Exp briefly also had a link portion to Mangalore between 1987-1992, where a portion of this train used to bifurcate/amalgamate at Palakkad Junction. It was Christined 2625/2626A Link Mangala Exp. This arrangement continued until Mangala Exp was made an independent train in 1993. The train is running with LHB rakes with effect from 4 November 2018.

Traction

It is hauled by a Royapuram / Erode based WAP 7 locomotive from end to end.