| Location | Planned | Expected |
|---|---|---|
| Reading | ||
| Twyford | 00:24 | On time |
| Maidenhead | 00:31 | On time |
| Taplow | 00:35 | On time |
| Burnham | 00:38 | On time |
| Slough | 00:42 | On time |
| Langley | 00:46 | On time |
| West Drayton | 00:51 | On time |
| Hayes & Harlington | 00:55 | On time |
| Southall | 00:59 | On time |
| Ealing Broadway | 01:04 | On time |
| London Paddington | 01:13 | On time |