| Location | Planned | Expected |
|---|---|---|
| Bedford | 06:48 | On time |
| Flitwick | 06:59 | On time |
| Harlington | 07:03 | On time |
| Leagrave | 07:08 | |
| Luton | 07:13 | |
| Luton Airport Parkway | 07:16 | |
| Harpenden | 07:22 | |
| St Albans | 07:27 | |
| West Hampstead Thameslink | 07:39 | |
| London St Pancras (Intl) | 07:50 | |
| Farringdon | 07:54 | |
| City Thameslink | 07:56 | |
| London Blackfriars | 07:59 | |
| London Bridge | 08:05 | |
| East Croydon | 08:19 | |
| Gatwick Airport | 08:35 | |
| Three Bridges | 08:40 | |
| Balcombe | 08:46 | |
| Haywards Heath | 08:51 | |
| Wivelsfield | 08:56 | |
| Burgess Hill | 08:58 | |
| Hassocks | 09:02 | |
| Preston Park | 09:08 | |
| Brighton | 09:13 |