| Location | Planned | Expected |
|---|---|---|
| Bedford | 10:16 | 10:21 |
| Flitwick | 10:28 | 10:31 |
| Harlington | 10:32 | 10:35 |
| Leagrave | 10:37 | 10:39 |
| Luton | 10:41 | 10:44 |
| Luton Airport Parkway | 10:45 | 10:47 |
| Harpenden | 10:51 | 10:53 |
| St Albans | 10:57 | 11:00 |
| West Hampstead Thameslink | 11:09 | 11:13 |
| London St Pancras (Intl) | 11:19 | 11:21 |
| Farringdon | 11:24 | On time |
| City Thameslink | 11:26 | On time |
| London Blackfriars | 11:28 | On time |
| London Bridge | 11:34 | On time |
| East Croydon | 11:48 | On time |
| Gatwick Airport | 12:04 | On time |
| Three Bridges | 12:09 | On time |
| Balcombe | 12:16 | |
| Haywards Heath | 12:21 | |
| Wivelsfield | 12:26 | |
| Burgess Hill | 12:28 | |
| Hassocks | 12:32 | |
| Preston Park | 12:38 | |
| Brighton | 12:43 |