| Location | Planned | Expected |
|---|---|---|
| Bedford | 18:16 | On time |
| Flitwick | 18:28 | On time |
| Harlington | 18:32 | On time |
| Leagrave | 18:38 | On time |
| Luton | 18:41 | On time |
| Luton Airport Parkway | 18:45 | On time |
| Harpenden | 18:51 | On time |
| St Albans | 18:56 | On time |
| London St Pancras (Intl) | 19:19 | 19:16 |
| Farringdon | 19:24 | On time |
| City Thameslink | 19:26 | On time |
| London Blackfriars | 19:28 | On time |
| London Bridge | 19:34 | On time |
| East Croydon | 19:48 | On time |
| Gatwick Airport | 20:04 | On time |
| Three Bridges | 20:09 | On time |
| Balcombe | 20:16 | On time |
| Haywards Heath | 20:21 | On time |
| Wivelsfield | 20:26 | On time |
| Burgess Hill | 20:28 | On time |
| Hassocks | 20:32 | On time |
| Preston Park | 20:38 | On time |
| Brighton | 20:43 | On time |