| Planned | Expected | |
|---|---|---|
| Bedford | 06:16 | On time |
| Flitwick | 06:29 | On time |
| Harlington | 06:33 | On time |
| Leagrave | 06:38 | On time |
| Luton | 06:43 | On time |
| Luton Airport Parkway | 06:46 | On time |
| Harpenden | 06:52 | On time |
| St Albans | 06:57 | On time |
| West Hampstead Thameslink | 07:09 | On time |
| London St Pancras (Intl) | 07:20 | On time |
| Farringdon | 07:24 | 07:26 |
| City Thameslink | 07:26 | 07:29 |
| London Blackfriars | 07:29 | 07:30 |
| London Bridge | 07:35 | On time |
| East Croydon | 07:49 | On time |
| Gatwick Airport | 08:05 | On time |
| Three Bridges | 08:10 | On time |
| Balcombe | 08:16 | On time |
| Haywards Heath | 08:22 | On time |
| Wivelsfield | 08:26 | On time |
| Burgess Hill | 08:28 | On time |
| Hassocks | 08:32 | On time |
| Preston Park | 08:38 | On time |
| Brighton | 08:43 | On time |