| Planned | Expected | |
|---|---|---|
| Bedford | 06:48 | On time |
| Flitwick | 06:59 | On time |
| Harlington | 07:03 | On time |
| Leagrave | 07:08 | On time |
| Luton | 07:13 | On time |
| Luton Airport Parkway | 07:16 | On time |
| Harpenden | 07:22 | On time |
| St Albans | 07:27 | On time |
| West Hampstead Thameslink | 07:39 | On time |
| London St Pancras (Intl) | 07:50 | On time |
| Farringdon | 07:54 | On time |
| City Thameslink | 07:56 | On time |
| London Blackfriars | 07:59 | On time |
| London Bridge | 08:05 | On time |
| East Croydon | 08:19 | On time |
| Gatwick Airport | 08:34 | On time |
| Three Bridges | 08:39 | On time |
| Balcombe | 08:46 | On time |
| Haywards Heath | 08:51 | On time |
| Wivelsfield | 08:56 | On time |
| Burgess Hill | 08:58 | On time |
| Hassocks | 09:02 | On time |
| Preston Park | 09:08 | On time |
| Brighton | 09:13 | On time |