| Location | Planned | Expected |
|---|---|---|
| Aberdare | 12:22 | On time |
| Cwmbach | 12:25 | On time |
| Fernhill | 12:29 | On time |
| Mountain Ash | 12:32 | 12:35 |
| Penrhiwceiber | 12:35 | 12:41 |
| Abercynon | 12:41 | 12:44 |
| Pontypridd | 12:48 | 12:51 |
| Trefforest | 12:51 | 12:55 |
| Trefforest Estate | 12:55 | 13:00 |
| Taffs Well | 13:00 | 13:04 |
| Radyr | 13:05 | |
| Danescourt | 13:10 | |
| Fairwater | 13:13 | |
| Waun-gron Park | 13:16 | |
| Ninian Park | 13:19 | |
| Cardiff Central | 13:30 | |
| Cardiff Queen Street | 13:34 | |
| Cathays | 13:37 | |
| Llandaf | 13:42 | |
| Radyr | 13:45 | |
| Taffs Well | 13:50 | |
| Trefforest Estate | 13:55 | |
| Trefforest | 13:59 | |
| Pontypridd | 14:03 | |
| Abercynon | 14:11 | |
| Quakers Yard | 14:15 | |
| Merthyr Vale | 14:20 | |
| Troed-y-rhiw | 14:24 | |
| Pentre-bach | 14:28 | |
| Merthyr Tydfil | 14:34 |