Highlights of Nellai Express –
| No of Coaches | Total – 24, AC – 7, SL – 12, GN – 5 |
| Pantry Car | No |
| E-Catering | Yes By TravelKhana.com |
| Avg. Running Status | Excellent |
| Cleaning | Good |
| Ticket Availability | Average |
| Passenger Safety | Excellent |
| Mobile/Laptop Charger | Yes |
12631/Nellai Express, Chennai to Tirunelveli Route, Schedule & Time Table –
| Station Code | Station Name | Arrival Time | Departure Time | Stoppage Time |
|---|---|---|---|---|
| CHENNAI EGMORE | origin | 20:10 | Origin | |
| TAMBARAM | 20:33 | 20:35 | 2 min | |
| CHENGALPATTU | 21:03 | 21:05 | 2 min | |
| MELMARUVATTUR | 21:33 | 21:35 | 2 min | |
| TINDIVANAM | 22:03 | 22:05 | 2 min | |
| VILLUPARAM JN | 22:35 | 22:40 | 5 min | |
| VRIDHACHALAM JN | 23:20 | 23:22 | 2 min | |
| TIRUCHCHIRAPALI | 02:05 | 02:10 | 5 min | |
| DINDIGUL JN | 03:28 | 03:30 | 2 min | |
| SHOLAVANDAN | 04:05 | 04:06 | 1 min | |
| MADURAI JN | 04:35 | 04:40 | 5 min | |
| VIRUDUNAGAR JN | 05:18 | 05:20 | 2 min | |
| SATUR | 05:41 | 05:42 | 1 min | |
| KOVILPATTI | 06:04 | 06:05 | 1 min | |
| TIRUNELVELI | 08:00 | destination | Destination |
12632/Nellai Express, Tirunelveli to Chennai Route, Schedule & Time Table –
| Station Code | Station Name | Arrival Time | Departure Time | Stoppage Time |
|---|---|---|---|---|
| TIRUNELVELI | origin | 19:25 | Origin | |
| KOVILPATTI | 20:23 | 20:25 | 2 min | |
| SATUR | 20:43 | 20:45 | 2 min | |
| VIRUDUNAGAR JN | 21:18 | 21:20 | 2 min | |
| MADURAI JN | 22:05 | 22:10 | 5 min | |
| SHOLAVANDAN | 22:29 | 22:30 | 1 min | |
| DINDIGUL JN | 23:13 | 23:15 | 2 min | |
| TIRUCHCHIRAPALI | 01:00 | 01:05 | 5 min | |
| VRIDHACHALAM JN | 02:43 | 02:45 | 2 min | |
| VILLUPARAM JN | 03:53 | 03:55 | 2 min | |
| TINDIVANAM | 04:29 | 04:30 | 1 min | |
| MELMARUVATTUR | 04:54 | 04:55 | 1 min | |
| CHENGALPATTU | 05:38 | 05:40 | 2 min | |
| TAMBARAM | 06:08 | 06:10 | 2 min | |
| MAMBALAM | 06:28 | 06:30 | 2 min | |
| CHENNAI EGMORE | 07:10 | destination | Destination |