| Planned | Expected | |
|---|---|---|
| Swansea | 16:22 | On time |
| Neath | 16:34 | On time |
| Port Talbot Parkway | 16:41 | On time |
| Bridgend | 16:54 | On time |
| Cardiff Central | 17:18 | 17:26 |
| Newport (South Wales) | 17:31 | 17:41 |
| Bristol Parkway | 17:54 | 18:02 |
| Swindon | 18:18 | 18:26 |
| Reading | 18:45 | 18:51 |
| London Paddington | 19:14 | 19:21 |