| Location | Planned | Expected |
|---|---|---|
| Merthyr Tydfil | 12:09 | On time |
| Pentre-bach | 12:13 | On time |
| Troed-y-rhiw | 12:15 | On time |
| Merthyr Vale | 12:20 | On time |
| Quakers Yard | 12:25 | On time |
| Abercynon | 12:29 | On time |
| Pontypridd | 12:36 | On time |
| Trefforest | 12:38 | On time |
| Trefforest Estate | 12:44 | On time |
| Taffs Well | 12:48 | On time |
| Radyr | 12:54 | On time |
| Llandaf | 12:57 | On time |
| Cathays | 13:02 | On time |
| Cardiff Queen Street | 13:07 | On time |
| Cardiff Central | 13:13 | On time |
| Ninian Park | 13:17 | On time |
| Waun-gron Park | 13:20 | On time |
| Fairwater | 13:22 | On time |
| Danescourt | 13:25 | On time |
| Radyr | 13:29 | On time |
| Taffs Well | 13:34 | 13:31 |
| Trefforest Estate | 13:38 | On time |
| Trefforest | 13:42 | On time |
| Pontypridd | 13:46 | On time |
| Abercynon | 13:53 | On time |
| Penrhiwceiber | 13:59 | 13:55 |
| Mountain Ash | 14:03 | 14:00 |
| Fernhill | 14:06 | On time |
| Cwmbach | 14:10 | 14:07 |
| Aberdare Platform 2 | 14:15 | 14:11 |