| Train | Source | Destination | Days Run from Chennai Egmore |
| 12661 - Pothigai Sf Express | Chennai Egmore (MS) | Sengottai (SCT) | Mon Tue Wed Fri Sat Sun |
| # | Station | Arrival | Departure | Halt | Distance | Day |
| 1 | Chennai Egmore (MS) | Source | 07:35 PM | 0 Mins | 0 KMs | 1 |
| 2 | Mambalam (MBM) | 07:48 PM | 07:50 PM | 2 Mins | 7 KMs | 1 |
| 3 | Tambaram (TBM) | 08:00 PM | 08:02 PM | 2 Mins | 25 KMs | 1 |
| 4 | Chengalpattu Jn. (CGL) | 08:28 PM | 08:30 PM | 2 Mins | 56 KMs | 1 |
| 5 | Villupuram Jn (VM) | 10:18 PM | 10:20 PM | 2 Mins | 158 KMs | 1 |
| 6 | Vriddhachalam Jn (VRI) | 11:02 PM | 11:04 PM | 2 Mins | 213 KMs | 1 |
| 7 | Tiruchchirappalli Jn. (TPJ) | 01:05 AM | 01:10 AM | 5 Mins | 336 KMs | 2 |
| 8 | Dindigul Jn (DG) | 02:07 AM | 02:10 AM | 3 Mins | 429 KMs | 2 |
| 9 | Madurai Jn (MDU) | 03:00 AM | 03:05 AM | 5 Mins | 496 KMs | 2 |
| 10 | Virudunagar Jn (VPT) | 03:38 AM | 03:40 AM | 2 Mins | 539 KMs | 2 |
| 11 | Tiruttangal (TTL) | 03:54 AM | 03:55 AM | 1 Mins | 561 KMs | 2 |
| 12 | Sivakasi (SVKS) | 04:03 AM | 04:05 AM | 2 Mins | 564 KMs | 2 |
| 13 | Srivilliputtur (SVPR) | 04:24 AM | 04:25 AM | 1 Mins | 581 KMs | 2 |
| 14 | Rajapalayam (RJPM) | 04:38 AM | 04:40 AM | 2 Mins | 592 KMs | 2 |
| 15 | Sankarankovil (SNKL) | 05:09 AM | 05:10 AM | 1 Mins | 625 KMs | 2 |
| 16 | Pambakovil Shandy (PBKS) | 05:24 AM | 05:25 AM | 1 Mins | 636 KMs | 2 |
| 17 | Kadayanallur (KDNL) | 05:39 AM | 05:40 AM | 1 Mins | 645 KMs | 2 |
| 18 | Tenkasi Jn (TSI) | 05:58 AM | 06:00 AM | 2 Mins | 661 KMs | 2 |
| 19 | Sengottai (SCT) | 06:40 AM | Destination | 0 Mins | 669 KMs | 2 |