| Planned | Expected | |
|---|---|---|
| Bedford | ||
| Flitwick | 14:59 | 14:56 |
| Harlington | 15:03 | On time |
| Leagrave | 15:08 | On time |
| Luton | 15:12 | On time |
| Luton Airport Parkway | 15:15 | On time |
| Harpenden | 15:21 | On time |
| St Albans | 15:27 | On time |
| West Hampstead Thameslink | 15:39 | 15:41 |
| London St Pancras (Intl) | 15:49 | On time |
| Farringdon | 15:54 | On time |
| City Thameslink | 15:56 | On time |
| London Blackfriars | 15:58 | 16:00 |
| London Bridge | 16:04 | On time |
| East Croydon | 16:18 | On time |
| Gatwick Airport | 16:34 | On time |
| Three Bridges | 16:39 | On time |
| Balcombe | 16:46 | On time |
| Haywards Heath | 16:51 | On time |
| Wivelsfield | 16:56 | On time |
| Burgess Hill | 16:58 | On time |
| Hassocks | 17:02 | On time |
| Preston Park | 17:09 | On time |
| Brighton | 17:14 | On time |