| Location | Planned | Expected |
|---|---|---|
| Bedford | ||
| Flitwick | 05:57 | On time |
| Harlington | 06:03 | On time |
| Leagrave | 06:08 | On time |
| Luton | 06:12 | On time |
| Luton Airport Parkway | 06:15 | On time |
| Harpenden | 06:21 | On time |
| St Albans | 06:27 | |
| West Hampstead Thameslink | 06:39 | |
| London St Pancras (Intl) | 06:49 | |
| Farringdon | 06:54 | |
| City Thameslink | 06:56 | |
| London Blackfriars | 06:58 | |
| London Bridge | 07:04 | |
| East Croydon | 07:18 | |
| Gatwick Airport | 07:34 | |
| Three Bridges | 07:39 | |
| Balcombe | 07:46 | |
| Haywards Heath | 07:51 | |
| Wivelsfield | 07:56 | |
| Burgess Hill | 07:58 | |
| Hassocks | 08:02 | |
| Preston Park | 08:08 | |
| Brighton | 08:13 |