| Location | Planned | Expected |
|---|---|---|
| Merthyr Tydfil | 13:09 | On time |
| Pentre-bach | 13:13 | On time |
| Troed-y-rhiw | 13:15 | 13:17 |
| Merthyr Vale | 13:20 | On time |
| Quakers Yard | 13:25 | On time |
| Abercynon | 13:29 | On time |
| Pontypridd | 13:36 | On time |
| Trefforest | 13:38 | 13:40 |
| Trefforest Estate | 13:44 | On time |
| Taffs Well | 13:48 | On time |
| Radyr | 13:54 | On time |
| Llandaf | 13:57 | On time |
| Cathays | 14:02 | On time |
| Cardiff Queen Street | 14:07 | On time |
| Cardiff Central | 14:13 | On time |
| Ninian Park | 14:17 | On time |
| Waun-gron Park | 14:20 | On time |
| Fairwater | 14:22 | On time |
| Danescourt | 14:24 | On time |
| Radyr | 14:29 | On time |
| Taffs Well | 14:34 | 14:31 |
| Trefforest Estate | 14:38 | On time |
| Trefforest | 14:42 | On time |
| Pontypridd | 14:46 | On time |
| Abercynon | 14:53 | On time |
| Penrhiwceiber | 14:59 | 14:55 |
| Mountain Ash | 15:03 | 15:00 |
| Fernhill | 15:06 | On time |
| Cwmbach | 15:10 | 15:07 |
| Aberdare Platform 2 | 15:15 | 15:11 |