The 12217 / 12218 Kerala Sampark Kranti Super Fast Express is a Superfast Express service among Sampark Kranti Express category that runs between Kochuveli railway station in Thiruvananthapuram, the capital city of the state of Kerala and Chandigarh the capital city of Haryana & Punjab.

It is the longest-running Sampark Kranti express train which covers almost 3417 km in one way run.

Accordingly, 12217 Kochuveli–Chandigarh Kerala Sampark Kranti Superfast Express departs Kochuveli on every Saturday & Monday at 09.10 hrs and reaches Chandigarh at 09:50 hrs on every Monday & Wednesday.

12217/18 Kochuveli–Chandigarh–Kochuveli Kerala Sampark Kranti Superfast Express has modern LHB coach.

As the route is fully electrified, both trains are hauled by a Ghaziabad Loco Shed / Ludhiana Loco Shed-based WAP-7 electric locomotive from end to end.