| Location | Planned | Expected |
|---|---|---|
| Bedford | 08:16 | On time |
| Flitwick | 08:28 | On time |
| Harlington | 08:32 | On time |
| Leagrave | 08:38 | On time |
| Luton | 08:43 | On time |
| Luton Airport Parkway | 08:46 | On time |
| Harpenden | 08:52 | On time |
| St Albans | 08:57 | On time |
| West Hampstead Thameslink | 09:09 | 09:12 |
| London St Pancras (Intl) | 09:20 | On time |
| Farringdon | 09:24 | On time |
| City Thameslink | 09:26 | 09:28 |
| London Blackfriars | 09:29 | On time |
| London Bridge | 09:35 | On time |
| East Croydon | 09:49 | 09:51 |
| Gatwick Airport | 10:05 | On time |
| Three Bridges | 10:10 | On time |
| Balcombe | 10:16 | On time |
| Haywards Heath | 10:22 | On time |
| Wivelsfield | 10:26 | On time |
| Burgess Hill | 10:28 | On time |
| Hassocks | 10:32 | On time |
| Preston Park | 10:38 | On time |
| Brighton | 10:43 | On time |