| Location | Planned | Expected |
|---|---|---|
| Bedford | 09:16 | 09:19 |
| Flitwick | 09:28 | 09:29 |
| Harlington | 09:32 | 09:34 |
| Leagrave | 09:38 | On time |
| Luton | 09:43 | On time |
| Luton Airport Parkway | 09:46 | On time |
| Harpenden | 09:52 | On time |
| St Albans | 09:57 | On time |
| West Hampstead Thameslink | 10:09 | On time |
| London St Pancras (Intl) | 10:20 | On time |
| Farringdon | 10:24 | On time |
| City Thameslink | 10:26 | On time |
| London Blackfriars | 10:29 | On time |
| London Bridge | 10:35 | On time |
| East Croydon | 10:49 | 10:55 |
| Gatwick Airport | 11:05 | 11:10 |
| Three Bridges | 11:10 | 11:16 |
| Balcombe | 11:16 | 11:22 |
| Haywards Heath | 11:22 | 11:27 |
| Wivelsfield | 11:26 | 11:30 |
| Burgess Hill | 11:28 | 11:32 |
| Hassocks | 11:32 | 11:36 |
| Preston Park | 11:38 | 11:43 |
| Brighton | 11:43 | 11:47 |