| Planned | Expected | |
|---|---|---|
| Bedford | 08:48 | On time |
| Flitwick | 08:59 | On time |
| Harlington | 09:03 | On time |
| Leagrave | 09:08 | On time |
| Luton | 09:13 | On time |
| Luton Airport Parkway | 09:16 | On time |
| Harpenden | 09:22 | On time |
| St Albans | 09:27 | On time |
| West Hampstead Thameslink | 09:39 | 09:42 |
| London St Pancras (Intl) | 09:50 | On time |
| Farringdon | 09:54 | On time |
| City Thameslink | 09:56 | On time |
| London Blackfriars | 09:58 | On time |
| London Bridge | 10:04 | On time |
| East Croydon | 10:18 | On time |
| Gatwick Airport | 10:34 | On time |
| Three Bridges | 10:39 | On time |
| Balcombe | 10:46 | On time |
| Haywards Heath | 10:51 | On time |
| Wivelsfield | 10:56 | On time |
| Burgess Hill | 10:58 | On time |
| Hassocks | 11:02 | On time |
| Preston Park | 11:08 | On time |
| Brighton | 11:13 | On time |