| 23:14 | London Paddington | Delayed | actual 23:36 |
| 23:31 | Slough | Unknown |
| 22:47 | Abbey Wood | On time |
| 22:50 | Woolwich (Elizabeth line) | On time |
| 22:54 | Custom House | On time |
| 22:58 | Canary Wharf (Elizabeth line) | On time |
| 23:02 | Whitechapel | On time |
| 23:05 | London Liverpool Street | On time |
| 23:08 | Farringdon | On time |
| 23:11 | Tottenham Court Road | On time |
| 23:13 | Bond Street | On time |
| 23:18 | London Paddington | On time |
| 23:26 | Ealing Broadway | On time |
| 23:30 | Southall | On time |
| 23:34 | Hayes & Harlington | On time |
| 23:37 | West Drayton | On time |
| 23:40 | Iver | Unknown |
| 23:42 | Langley | Unknown |
| 23:49 | Slough | Unknown |
| 23:53 | Burnham | Unknown |
| 23:55 | Taplow | Unknown |
| 23:26 | Didcot Parkway | On time |
| 23:31 | Cholsey | On time |
| 23:36 | Goring & Streatley | On time |
| 23:40 | Pangbourne | Unknown |
| 23:44 | Tilehurst | Unknown |
| 23:50 | Reading | Unknown |
| 23:56 | Twyford | Unknown |
| 23:37 | London Paddington | On time |
| 23:57 | Slough | Unknown |
| 23:16 | Abbey Wood | On time |
| 23:19 | Woolwich (Elizabeth line) | On time |
| 23:23 | Custom House | On time |
| 23:27 | Canary Wharf (Elizabeth line) | On time |
| 23:31 | Whitechapel | On time |
| 23:34 | London Liverpool Street | On time |
| 23:37 | Farringdon | On time |
| 23:40 | Tottenham Court Road | On time |
| 23:42 | Bond Street | Unknown |
| 23:48 | London Paddington | Unknown |
| 23:58 | Ealing Broadway | Unknown |
| 00:03 | Southall | Unknown |
| 00:07 | Hayes & Harlington | Unknown |
| 00:10 | West Drayton | Unknown |
| 00:13 | Iver | Unknown |
| 00:15 | Langley | Unknown |
| 00:21 | Slough | Unknown |
| 00:19 | Reading | Unknown |
| 00:25 | Twyford | Unknown |
| 00:02 | London Paddington | Unknown |
| 00:23 | Slough | Unknown |
| 00:27 | Burnham | Unknown |
| 00:30 | Taplow | Unknown |
| 00:17 | Marlow | Unknown |
| 00:28 | Bourne End | Unknown |
| 00:32 | Cookham | Unknown |
| 00:35 | Furze Platt | Unknown |
| 00:45 | London Paddington | Unknown |
| 00:53 | Ealing Broadway | Unknown |
| 00:58 | Southall | Unknown |
| 01:01 | Hayes & Harlington | Unknown |
| 01:05 | West Drayton | Unknown |
| 01:08 | Iver | Unknown |
| 01:11 | Langley | Unknown |
| 01:18 | Slough | Unknown |
| 01:15 | Reading | Unknown |
| 01:21 | Twyford | Unknown |