| Location | Planned | Expected |
|---|---|---|
| London Paddington | 05:18 | On time |
| Ealing Broadway | 05:26 | On time |
| Southall | 05:31 | On time |
| Hayes & Harlington | 05:34 | On time |
| West Drayton | 05:38 | On time |
| Iver | 05:41 | On time |
| Langley | 05:43 | On time |
| Slough | 05:47 | On time |
| Burnham | 05:51 | On time |
| Taplow | 05:53 | On time |
| Maidenhead | 05:56 | On time |
| Twyford | 06:03 | On time |
| Reading | 06:11 | On time |