| Location | Planned | Expected |
|---|---|---|
| Treherbert | 11:40 | On time |
| Ynyswen | 11:42 | On time |
| Treorchy | 11:45 | On time |
| Ton Pentre | 11:48 | On time |
| Ystrad Rhondda | 11:52 | On time |
| Llwynypia | 11:55 | 12:00 |
| Tonypandy | 11:58 | On time |
| Dinas Rhondda | 12:00 | On time |
| Porth | 12:04 | On time |
| Trehafod | 12:07 | On time |
| Pontypridd | 12:12 | |
| Trefforest | 12:15 | |
| Trefforest Estate | 12:20 | |
| Taffs Well | 12:24 | |
| Radyr | 12:28 | |
| Llandaf | 12:32 | |
| Cathays | 12:37 | |
| Cardiff Queen Street | 12:42 | |
| Cardiff Central | 12:47 |