| Planned | Expected | |
|---|---|---|
| Swansea | 16:23 | On time |
| Neath | 16:35 | On time |
| Port Talbot Parkway | 16:42 | On time |
| Bridgend | 16:55 | On time |
| Cardiff Central | 17:20 | 17:23 |
| Newport (South Wales) | 17:35 | 17:40 |
| Bristol Parkway | 17:54 | 18:06 |
| Swindon | 18:18 | |
| Reading | 18:45 | |
| London Paddington | 19:16 |