| Location | Planned | Expected |
|---|---|---|
| London Paddington | 05:48 | On time |
| Ealing Broadway | 05:56 | On time |
| Southall | 06:01 | On time |
| Hayes & Harlington | 06:04 | On time |
| West Drayton | 06:08 | On time |
| Iver | 06:10 | On time |
| Langley | 06:13 | On time |
| Slough | 06:16 | On time |
| Burnham | 06:20 | On time |
| Taplow | 06:23 | On time |
| Maidenhead | 06:26 | On time |
| Twyford | 06:33 | On time |
| Reading | 06:40 | On time |