| Planned | Expected | |
|---|---|---|
| Bedford | 15:18 | On time |
| Flitwick | 15:29 | 15:26 |
| Harlington | 15:33 | On time |
| Leagrave | 15:38 | On time |
| Luton | 15:42 | On time |
| Luton Airport Parkway | 15:45 | On time |
| Harpenden | 15:51 | On time |
| St Albans | 15:57 | On time |
| West Hampstead Thameslink | 16:09 | On time |
| London St Pancras (Intl) | 16:19 | On time |
| Farringdon | 16:24 | On time |
| City Thameslink | 16:26 | On time |
| London Blackfriars | 16:28 | On time |
| London Bridge | 16:34 | On time |
| East Croydon | 16:48 | On time |
| Gatwick Airport | 17:04 | On time |
| Three Bridges | 17:09 | On time |
| Balcombe | 17:16 | On time |
| Haywards Heath | 17:21 | On time |
| Wivelsfield | 17:26 | On time |
| Burgess Hill | 17:28 | On time |
| Hassocks | 17:32 | On time |
| Preston Park | 17:39 | On time |
| Brighton | 17:44 | On time |