| Planned | Expected | |
|---|---|---|
| Bedford | 11:48 | On time |
| Flitwick | 11:59 | On time |
| Harlington | 12:03 | On time |
| Leagrave | 12:08 | On time |
| Luton | 12:13 | On time |
| Luton Airport Parkway | 12:16 | On time |
| Harpenden | 12:22 | On time |
| St Albans | 12:27 | On time |
| West Hampstead Thameslink | 12:39 | 12:41 |
| London St Pancras (Intl) | 12:49 | On time |
| Farringdon | 12:54 | On time |
| City Thameslink | 12:56 | On time |
| London Blackfriars | 12:58 | On time |
| London Bridge | 13:04 | On time |
| East Croydon | 13:18 | On time |
| Gatwick Airport | 13:34 | On time |
| Three Bridges | 13:39 | On time |
| Balcombe | 13:46 | On time |
| Haywards Heath | 13:51 | On time |
| Wivelsfield | 13:56 | On time |
| Burgess Hill | 13:58 | On time |
| Hassocks | 14:02 | On time |
| Preston Park | 14:08 | On time |
| Brighton | 14:13 | On time |