12623/Chennai Central – Thiruvananthapuram Central Mail, MAS/Chennai Central – TVC/Thiruvananthapuram Central (Trivandrum) Route, Schedule & Time Table-
| Code | Station Name | Arrives | Departs | Halt |
| MAS | Chennai Central» | 19:45 | ||
| KPD | Katpadi Junction | 21:13 | 21:15 | 2m |
| SA | Salem Junction | 0:07 | 0:10 | 3m |
| ED | Erode Junction | 1:05 | 1:10 | 5m |
| CBE | Coimbatore Main Junction | 2:47 | 2:50 | 3m |
| PGT | Palakkad Junction (Palghat) | 4:00 | 4:05 | 5m |
| TCR | Thrissur (Trichur) | 5:17 | 5:20 | 3m |
| AFK | Angamaly for Kalady | 6:04 | 6:05 | 1m |
| AWY | Aluva (Alwaye) | 6:13 | 6:15 | 2m |
| ERN | Ernakulam Town (North) | 6:50 | 6:55 | 5m |
| TRTR | Thrippunithura | 7:11 | 7:12 | 1m |
| KTYM | Kottayam | 8:00 | 8:05 | 5m |
| CGY | Changanassery | 8:20 | 8:25 | 5m |
| TRVL | Tiruvalla | 8:33 | 8:34 | 1m |
| CNGR | Chengannur | 8:43 | 8:45 | 2m |
| MVLK | Mavelikara | 8:54 | 8:55 | 1m |
| KYJ | Kayamkulam Junction | 9:13 | 9:15 | 2m |
| QLN | Kollam Junction (Quilon) | 9:55 | 10:00 | 5m |
| VAK | Varkala Sivagiri | 10:25 | 10:26 | 1m |
| TVP | Thiruvananthapuram Pettah | 11:04 | 11:05 | 1m |
| TVC | Thiruvananthapuram Central (Trivandrum)• | 11:45 |
12624/Thiruvananthapuram Central -Chennai Central Mail, TVC/Thiruvananthapuram Central (Trivandrum) – MAS/Chennai Central Route, Schedule & Time Table-
| Code | Station Name | Arrives | Departs | Halt |
| TVC | Thiruvananthapuram Central (Trivandrum)» | 14:50 | ||
| VAK | Varkala Sivagiri | 15:23 | 15:25 | 2m |
| QLN | Kollam Junction (Quilon) | 15:50 | 15:55 | 5m |
| KYJ | Kayamkulam Junction | 16:28 | 16:30 | 2m |
| MVLK | Mavelikara | 16:39 | 16:40 | 1m |
| CNGR | Chengannur | 16:49 | 16:50 | 1m |
| TRVL | Tiruvalla | 16:59 | 17:00 | 1m |
| CGY | Changanassery | 17:09 | 17:10 | 1m |
| KTYM | Kottayam | 17:37 | 17:40 | 3m |
| TRTR | Thrippunithura | 18:31 | 18:32 | 1m |
| ERN | Ernakulam Town (North) | 19:20 | 19:25 | 5m |
| AWY | Aluva (Alwaye) | 19:43 | 19:45 | 2m |
| AFK | Angamaly for Kalady | 19:54 | 19:55 | 1m |
| TCR | Thrissur (Trichur) | 20:30 | 20:33 | 3m |
| PGT | Palakkad Junction (Palghat) | 22:15 | 22:20 | 5m |
| CBE | Coimbatore Main Junction | 23:47 | 23:50 | 3m |
| ED | Erode Junction | 1:15 | 1:20 | 5m |
| SA | Salem Junction | 2:17 | 2:20 | 3m |
| KPD | Katpadi Junction | 4:58 | 5:00 | 2m |
| AVD | Avadi | 6:33 | 6:35 | 2m |
| PER | Perambur | 6:53 | 6:55 | 2m |
| MAS | Chennai Central• | 7:30 |