12840 Chennai Central-Howrah Superfast Mail
| From | Chennai Central |
| To | Howrah Jn |
| Train No. | 12840 |
| Train Name | Chennai Central-Howrah Superfast Mail |
| Train Type | Superfast |
| Runs on | Daily |
| Time Taken | 27 hr 45 min |
| Stoppages | 34 stations |
| Total Distance | 1664 KMs |
| Avg Speed | 59.96 Km/hr |
| Coach Types | GRD, 2S, 1A+2A, 2A, 3A, PC, SL |
Train no. 12840 Coach Position
ENG - GRD - D3 - D2 - HA1 - A2 - A1 - B3 - B2 - B1 - PC - S12 - S11 - S10 - S9 - S8 - S7 - S6 - S5 - S4 - S3 - S2 - S1 - D1 - GRD
Train no. 12840 Running Status
| SNo | Station | Arrival Time | Dep. Time | Distance | Day |
|---|---|---|---|---|---|
| 1 | Chennai Central | Source | 19:15 | 0 | 1 |
| 2 | Gudur Jn | 21:03 | 21:05 | 137 | 1 |
| 3 | Nellore | 21:34 | 21:35 | 176 | 1 |
| 4 | Ongole | 23:04 | 23:05 | 292 | 1 |
| 5 | Chirala | 23:43 | 23:45 | 341 | 1 |
| 6 | Bapatla | 23:56 | 23:58 | 356 | 1 |
| 7 | Tenali Jn | 00:43 | 00:45 | 398 | 2 |
| 8 | Vijayawada Jn | 01:20 | 01:30 | 430 | 2 |
| 9 | Eluru | 02:24 | 02:25 | 489 | 2 |
| 10 | Tadepalligudem | 02:59 | 03:00 | 537 | 2 |
| 11 | Nidadavolu Jn | 03:14 | 03:15 | 557 | 2 |
| 12 | Rajamundry | 03:43 | 03:45 | 579 | 2 |
| 13 | Samalkot Jn | 04:29 | 04:30 | 630 | 2 |
| 14 | Annavaram | 04:54 | 04:55 | 666 | 2 |
| 15 | Tuni | 05:09 | 05:10 | 683 | 2 |
| 16 | Anakapalle | 06:29 | 06:30 | 747 | 2 |
| 17 | Visakhapatnam | 08:05 | 08:25 | 780 | 2 |
| 18 | Vizianagram Jn | 09:25 | 09:30 | 841 | 2 |
| 19 | Chipurupalle | 09:56 | 09:58 | 872 | 2 |
| 20 | Srikakulam Road | 10:28 | 10:30 | 910 | 2 |
| 21 | Naupada Jn | 11:06 | 11:08 | 957 | 2 |
| 22 | Palasa | 11:43 | 11:45 | 983 | 2 |
| 23 | Sompeta | 12:09 | 12:11 | 1015 | 2 |
| 24 | Ichchpuram | 12:24 | 12:26 | 1033 | 2 |
| 25 | Brahmapur | 12:45 | 12:50 | 1057 | 2 |
| 26 | Chatrapur | 13:05 | 13:07 | 1078 | 2 |
| 27 | Balugan | 13:47 | 13:49 | 1133 | 2 |
| 28 | Khurda Road Jn | 14:45 | 15:05 | 1204 | 2 |
| 29 | Bhubaneswar | 15:30 | 15:35 | 1223 | 2 |
| 30 | Cuttack | 16:05 | 16:10 | 1250 | 2 |
| 31 | Jajpur K Road | 16:59 | 17:01 | 1322 | 2 |
| 32 | Bhadrakh | 18:08 | 18:10 | 1365 | 2 |
| 33 | Balasore | 19:07 | 19:12 | 1427 | 2 |
| 34 | Kharagpur Jn | 20:47 | 20:52 | 1548 | 2 |
| 35 | Santragachi Jn | 22:20 | 22:22 | 1656 | 2 |
| 36 | Howrah Jn | 23:00 | Destination | 1664 | 2 |
Train number 12840 Chennai Central-Howrah Superfast Mail runs from Chennai Central to Howrah Jn railway station. This is a Superfast train and runs on Daily. The train stops at 34 intermediate stations during journey.
It covers the distance of 1664 KMs between Howrah Jn and Chennai Central in total 27 hr 45 min while running at average speed of 59.96 Km/hr.
The usual Coach Position of 12840 train is : ENG - GRD - D3 - D2 - HA1 - A2 - A1 - B3 - B2 - B1 - PC - S12 - S11 - S10 - S9 - S8 - S7 - S6 - S5 - S4 - S3 - S2 - S1 - D1 - GRD.