| Station | Scheduled Arr/Actual Arr | Arrived | Scheduled Dep/Actual Dep | Departed | Sch Arr Date/Act Arr Date | Day | Dist. | Delay Status |
| [MAS]CHENNAI CENTRAL | Source/00:00 | No | 23:45/23:45 | No | 4 Sep 2018/4 Sep 2018 | 1 | 0 | 0 mins late |
| [GDR]GUDUR JN | 01:50/01:50 | No | 01:52/01:52 | No | 5 Sep 2018/5 Sep 2018 | 2 | 137 | 0 mins late |
| [NLR]NELLORE | 02:17/02:17 | No | 02:18/02:18 | No | 5 Sep 2018/5 Sep 2018 | 2 | 176 | 0 mins late |
| [OGL]ONGOLE | 03:44/03:44 | No | 03:45/03:45 | No | 5 Sep 2018/5 Sep 2018 | 2 | 292 | 0 mins late |
| [CLX]CHIRALA | 04:29/04:29 | No | 04:31/04:31 | No | 5 Sep 2018/5 Sep 2018 | 2 | 341 | 0 mins late |
| [BPP]BAPATLA | 04:42/04:42 | No | 04:44/04:44 | No | 5 Sep 2018/5 Sep 2018 | 2 | 356 | 0 mins late |
| [TEL]TENALI JN | 05:14/05:14 | No | 05:16/05:16 | No | 5 Sep 2018/5 Sep 2018 | 2 | 399 | 0 mins late |
| [BZA]VIJAYAWADA JN | 06:20/06:20 | No | 06:30/06:30 | No | 5 Sep 2018/5 Sep 2018 | 2 | 430 | 0 mins late |
| [EE]ELURU | 07:14/07:14 | No | 07:15/07:15 | No | 5 Sep 2018/5 Sep 2018 | 2 | 489 | 0 mins late |
| [TDD]TADEPALLIGUDEM | 07:49/07:49 | No | 07:50/07:50 | No | 5 Sep 2018/5 Sep 2018 | 2 | 537 | 0 mins late |
| [NDD]NIDADAVOLU JN | 08:12/08:12 | No | 08:13/08:13 | No | 5 Sep 2018/5 Sep 2018 | 2 | 557 | 0 mins late |
| [RJY]RAJAMUNDRY | 09:05/09:05 | No | 09:10/09:10 | No | 5 Sep 2018/5 Sep 2018 | 2 | 579 | 0 mins late |
| [SLO]SAMALKOT JN | 09:52/09:52 | No | 09:53/09:53 | No | 5 Sep 2018/5 Sep 2018 | 2 | 630 | 0 mins late |
| [ANV]ANNAVARAM | 10:19/10:19 | No | 10:20/10:20 | No | 5 Sep 2018/5 Sep 2018 | 2 | 666 | 0 mins late |
| [TUNI]TUNI | 10:35/10:35 | No | 10:36/10:36 | No | 5 Sep 2018/5 Sep 2018 | 2 | 683 | 0 mins late |
| [AKP]ANAKAPALLE | 11:21/11:21 | No | 11:22/11:22 | No | 5 Sep 2018/5 Sep 2018 | 2 | 747 | 0 mins late |
| [VSKP]VISAKHAPATNAM | 13:00/13:00 | No | 13:20/13:20 | No | 5 Sep 2018/5 Sep 2018 | 2 | 780 | 0 mins late |
| [VZM]VIZIANAGRAM JN | 14:15/14:15 | No | 14:20/14:20 | No | 5 Sep 2018/5 Sep 2018 | 2 | 841 | 0 mins late |
| [CPP]CHIPURUPALLE | 14:47/14:47 | No | 14:49/14:49 | No | 5 Sep 2018/5 Sep 2018 | 2 | 872 | 0 mins late |
| [CHE]SRIKAKULAM ROAD | 15:21/15:21 | No | 15:23/15:23 | No | 5 Sep 2018/5 Sep 2018 | 2 | 910 | 0 mins late |
| [NWP]NAUPADA JN | 15:58/15:58 | No | 16:00/16:00 | No | 5 Sep 2018/5 Sep 2018 | 2 | 958 | 0 mins late |
| [PSA]PALASA | 16:30/16:30 | No | 16:32/16:32 | No | 5 Sep 2018/5 Sep 2018 | 2 | 983 | 0 mins late |
| [SPT]SOMPETA | 16:59/16:59 | No | 17:01/17:01 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1015 | 0 mins late |
| [IPM]ICHCHPURAM | 17:15/17:15 | No | 17:17/17:17 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1033 | 0 mins late |
| [BAM]BRAHMAPUR | 17:45/17:45 | No | 17:50/17:50 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1057 | 0 mins late |
| [CAP]CHATRAPUR | 18:03/18:03 | No | 18:05/18:05 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1079 | 0 mins late |
| [BALU]BALUGAN | 18:55/18:55 | No | 18:57/18:57 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1133 | 0 mins late |
| [KUR]KHURDA ROAD JN | 20:05/20:05 | No | 20:25/20:25 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1204 | 0 mins late |
| [BBS]BHUBANESWAR | 20:53/20:53 | No | 20:58/20:58 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1223 | 0 mins late |
| [CTC]CUTTACK | 21:33/21:33 | No | 21:38/21:38 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1250 | 0 mins late |
| [JJKR]JAJPUR K ROAD | 22:35/22:35 | No | 22:37/22:37 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1318 | 0 mins late |
| [BHC]BHADRAKH | 23:17/23:17 | No | 23:19/23:19 | No | 5 Sep 2018/5 Sep 2018 | 2 | 1361 | 0 mins late |
| [BLS]BALASORE | 00:05/00:05 | No | 00:10/00:10 | No | 6 Sep 2018/6 Sep 2018 | 3 | 1423 | 0 mins late |
| [KGP]KHARAGPUR JN | 01:43/01:43 | No | 01:48/01:48 | No | 6 Sep 2018/6 Sep 2018 | 3 | 1541 | 0 mins late |
| [SRC]SANTRAGACHI JN | 03:12/03:12 | No | 03:14/03:14 | No | 6 Sep 2018/6 Sep 2018 | 3 | 1651 | 0 mins late |
| [HWH]HOWRAH JN | 04:00/04:00 | No | Destination/00:00 | No | 6 Sep 2018/6 Sep 2018 | 3 | 1658 | 0 mins late |
Live Train Status of 12840 - MAS HWH MAIL: This train runs between CHENNAI CENTRAL (MAS) and HOWRAH JN (HWH). It covers total distance of 1658 kilometers and arrives its destination on day 3. It departs from its source station CHENNAI CENTRAL (MAS) at 23:45 and reaches its destination HOWRAH JN (HWH) at 04:00 on 3 day. There are 36 halts in its route.