| Location | Planned | Expected |
|---|---|---|
| Abbey Wood | 12:02 | On time |
| Woolwich (Elizabeth line) | 12:05 | On time |
| Custom House | 12:09 | On time |
| Canary Wharf (Elizabeth line) | 12:13 | On time |
| Whitechapel | 12:17 | On time |
| London Liverpool Street | 12:20 | On time |
| Farringdon | 12:23 | On time |
| Tottenham Court Road | 12:26 | On time |
| Bond Street | 12:28 | On time |
| London Paddington | 12:32 | On time |
| Ealing Broadway | 12:41 | On time |
| Southall | 12:46 | On time |
| Hayes & Harlington | 12:50 | On time |
| West Drayton | 12:53 | On time |
| Iver | 12:56 | On time |
| Langley | 12:58 | On time |
| Slough | 13:02 | On time |
| Burnham | 13:06 | On time |
| Maidenhead | 13:13 | 13:10 |