| Planned | Expected | |
|---|---|---|
| Bedford | 14:18 | On time |
| Flitwick | 14:29 | On time |
| Harlington | 14:33 | On time |
| Leagrave | 14:38 | On time |
| Luton | 14:43 | On time |
| Luton Airport Parkway | 14:46 | On time |
| Harpenden | 14:52 | On time |
| St Albans | 14:57 | 14:59 |
| West Hampstead Thameslink | 15:09 | On time |
| London St Pancras (Intl) | 15:19 | On time |
| Farringdon | 15:24 | On time |
| City Thameslink | 15:26 | On time |
| London Blackfriars | 15:28 | On time |
| London Bridge | 15:34 | On time |
| East Croydon | 15:48 | On time |
| Gatwick Airport | 16:04 | On time |
| Three Bridges | 16:09 | On time |
| Balcombe | 16:16 | On time |
| Haywards Heath | 16:21 | On time |
| Wivelsfield | 16:26 | On time |
| Burgess Hill | 16:28 | On time |
| Hassocks | 16:32 | On time |
| Preston Park | 16:38 | On time |
| Brighton | 16:43 | On time |