| Planned | Expected | |
|---|---|---|
| Didcot Parkway | 23:49 | 00:06 |
| Cholsey | 23:54 | 00:16 |
| Goring & Streatley | 23:58 | 00:21 |
| Pangbourne | 00:02 | 00:26 |
| Tilehurst | 00:06 | 00:31 |
| Reading | 00:13 | 00:34 |
| Twyford | 00:25 | |
| Maidenhead | 00:31 | |
| Taplow | 00:35 | |
| Burnham | 00:38 | |
| Slough | 00:42 | |
| Langley | 00:46 | |
| Iver | 00:49 | |
| West Drayton | 00:53 | |
| Hayes & Harlington | 00:57 | |
| Southall | 01:01 | |
| Ealing Broadway | 01:06 | |
| London Paddington | 01:14 |