| 08:19 | Heathrow Airport T5 | On time |
| 08:24 | Heathrow Airport T123 | On time |
| 08:32 | Hayes & Harlington | On time |
| 08:35 | Southall | On time |
| 08:38 | Hanwell | On time |
| 08:40 | West Ealing | On time |
| 08:43 | Ealing Broadway | On time |
| 08:45 | Acton Main Line | On time |
| 08:59 | London Paddington | On time |
| 09:02 | Bond Street | On time |
| 09:04 | Tottenham Court Road | On time |
| 09:01 | Stratford (London) | On time |
| 09:06 | Whitechapel | On time |
| 09:09 | London Liverpool Street | Unknown |
| 08:34 | Heathrow Airport T4 | On time |
| 08:39 | Heathrow Airport T123 | On time |
| 08:46 | Hayes & Harlington | On time |
| 08:49 | Southall | On time |
| 08:52 | West Ealing | On time |
| 08:55 | Ealing Broadway | On time |
| 09:07 | London Paddington | On time |
| 09:10 | Bond Street | Unknown |
| 09:12 | Tottenham Court Road | Unknown |
| 08:59 | Abbey Wood | On time |
| 09:02 | Woolwich (Elizabeth line) | On time |
| 09:06 | Custom House | On time |
| 09:10 | Canary Wharf (Elizabeth line) | Unknown |
| 09:14 | Whitechapel | Unknown |
| 09:17 | London Liverpool Street | Unknown |
| 08:23 | Reading | Unknown |
| 08:28 | Twyford | Unknown |
| 08:35 | Maidenhead | Unknown |
| 08:38 | Taplow | Unknown |
| 08:41 | Burnham | Unknown |
| 08:45 | Slough | Unknown |
| 08:49 | Langley | Unknown |
| 08:51 | Iver | Unknown |
| 08:54 | West Drayton | Unknown |
| 08:58 | Hayes & Harlington | Unknown |
| 09:01 | Southall | Unknown |
| 09:06 | Ealing Broadway | Unknown |
| 09:15 | London Paddington | Unknown |
| 09:18 | Bond Street | Unknown |
| 09:20 | Tottenham Court Road | Unknown |
| 09:16 | Stratford (London) | Unknown |
| 09:21 | Whitechapel | Unknown |
| 09:24 | London Liverpool Street | Unknown |
(12)
| 08:17 | Bedford | On time |
| 08:28 | Flitwick | On time |
| 08:32 | Harlington | On time |
| 08:38 | Leagrave | On time |
| 08:42 | Luton | On time |
| 08:45 | Luton Airport Parkway | On time |
| 08:51 | Harpenden | On time |
| 08:57 | St Albans | On time |
| 09:13 | West Hampstead Thameslink | Unknown |
| 09:24 | London St Pancras (Intl) | Unknown |
| 09:22 | London Paddington | Unknown |
| 09:25 | Bond Street | Unknown |
| 09:27 | Tottenham Court Road | Unknown |
(8)
| 08:25 | Three Bridges | On time | |
| 08:30 | Gatwick Airport | Delayed | actual 08:33 |
| 08:33 | Horley | Delayed | actual 08:36 |
| 08:45 | Redhill | Delayed | actual 08:49 |
| 08:49 | Merstham | Delayed | actual 08:53 |
| 08:54 | Coulsdon South | Delayed | actual 08:58 |
| 08:58 | Purley | Delayed | actual 09:03 |
| 09:03 | East Croydon | Unknown | |
| 09:19 | London Bridge | Unknown | |
| 09:26 | London Blackfriars | Unknown |
| 09:14 | Abbey Wood | Unknown |
| 09:17 | Woolwich (Elizabeth line) | Unknown |
| 09:21 | Custom House | Unknown |
| 09:25 | Canary Wharf (Elizabeth line) | Unknown |
| 09:29 | Whitechapel | Unknown |
| 09:32 | London Liverpool Street | Unknown |
(8)
(8)
(12)
(12)
(12)
(12)
(8)
(8)
(8)
(8)
(12)
(12)
(8)
(8)
(8)
(8)
(8)
(12)
(12)
(12)
(8)
(8)