| Station | Scheduled Arr/Actual Arr | Arrived | Scheduled Dep/Actual Dep | Departed | Sch Arr Date/Act Arr Date | Day | Dist. | Delay Status |
| [CBE]COIMBATORE JN | Source/00:00 | Yes | 23:30/23:30 | Yes | 31 Aug 2018/31 Aug 2018 | 1 | 0 | 0 mins late |
| [TUP]TIRUPPUR | 23:58/00:38 | Yes | 00:00/00:40 | Yes | 1 Sep 2018/1 Sep 2018 | 2 | 50 | 40 mins late |
| [ED]ERODE JN | 00:45/01:19 | Yes | 00:50/01:24 | Yes | 1 Sep 2018/1 Sep 2018 | 2 | 101 | 34 mins late |
| [SA]SALEM JN | 01:45/02:12 | Yes | 01:50/02:16 | Yes | 1 Sep 2018/1 Sep 2018 | 2 | 163 | 27 mins late |
| [KPD]KATPADI JN | 04:53/05:10 | No | 04:55/05:28 | Yes | 1 Sep 2018/1 Sep 2018 | 2 | 367 | 17 mins late |
| [AJJ]ARAKKONAM | 05:43/06:24 | Yes | 05:45/06:26 | Yes | 1 Sep 2018/1 Sep 2018 | 2 | 428 | 41 mins late |
| [PER]PERAMBUR | 06:33/07:20 | Yes | 06:35/07:22 | Yes | 1 Sep 2018/1 Sep 2018 | 2 | 497 | 47 mins late |
| [MAS]CHENNAI CENTRAL | 07:20/07:48 | Yes | Destination/00:00 | No | 1 Sep 2018/1 Sep 2018 | 2 | 502 | 28 mins late |
Live Train Status of 12682 - CHENNAI EXP: This train runs between COIMBATORE JN (CBE) and CHENNAI CENTRAL (MAS). It covers total distance of 502 kilometers and arrives its destination on day 2. It departs from its source station COIMBATORE JN (CBE) at 23:30 and reaches its destination CHENNAI CENTRAL (MAS) at 07:20 on 2 day. There are 8 halts in its route.