| Location | Planned | Expected |
|---|---|---|
| Cardiff Central | 09:03 | 09:09 |
| Cardiff Queen Street | 09:07 | 09:12 |
| Cathays | 09:09 | 09:15 |
| Llandaf | 09:13 | 09:20 |
| Radyr | 09:16 | 09:22 |
| Taffs Well | 09:20 | 09:26 |
| Trefforest Estate | 09:24 | 09:30 |
| Trefforest | 09:29 | 09:35 |
| Pontypridd | 09:33 | 09:37 |
| Trehafod | 09:38 | 09:43 |
| Porth | 09:42 | 09:47 |
| Dinas Rhondda | 09:46 | 09:48 |
| Tonypandy | 09:48 | 09:52 |
| Llwynypia | 09:51 | 09:54 |
| Ystrad Rhondda | 09:54 | 09:56 |
| Ton Pentre | 09:57 | 09:59 |
| Treorchy | 10:01 | On time |
| Treherbert | 10:08 |