| Planned | Expected | |
|---|---|---|
| Bedford | ||
| Flitwick | 05:26 | On time |
| Harlington | 05:30 | On time |
| Leagrave | 05:36 | On time |
| Luton | 05:39 | On time |
| Luton Airport Parkway | 05:43 | On time |
| Harpenden | 05:49 | On time |
| St Albans | 05:55 | On time |
| West Hampstead Thameslink | 06:10 | 06:07 |
| London St Pancras (Intl) | 06:19 | On time |
| Farringdon | 06:24 | On time |
| City Thameslink | 06:26 | On time |
| London Blackfriars | 06:28 | On time |
| London Bridge | 06:34 | On time |
| East Croydon | 06:48 | On time |
| Gatwick Airport | 07:04 | On time |
| Three Bridges | 07:09 | On time |
| Balcombe | 07:16 | On time |
| Haywards Heath | 07:21 | On time |
| Wivelsfield | 07:26 | On time |
| Burgess Hill | 07:28 | On time |
| Hassocks | 07:32 | On time |
| Preston Park | 07:38 | On time |
| Brighton | 07:43 | On time |