| Planned | Expected | |
|---|---|---|
| Bedford | 11:18 | On time |
| Flitwick | 11:29 | On time |
| Harlington | 11:33 | On time |
| Leagrave | 11:38 | On time |
| Luton | 11:43 | On time |
| Luton Airport Parkway | 11:46 | On time |
| Harpenden | 11:52 | On time |
| St Albans | 11:57 | On time |
| West Hampstead Thameslink | 12:09 | On time |
| London St Pancras (Intl) | 12:20 | On time |
| Farringdon | 12:24 | On time |
| City Thameslink | 12:26 | On time |
| London Blackfriars | 12:29 | On time |
| London Bridge | 12:35 | On time |
| East Croydon | 12:49 | On time |
| Gatwick Airport | 13:05 | On time |
| Three Bridges | 13:10 | On time |
| Balcombe | 13:16 | On time |
| Haywards Heath | 13:22 | On time |
| Wivelsfield | 13:26 | On time |
| Burgess Hill | 13:28 | On time |
| Hassocks | 13:32 | On time |
| Preston Park | 13:38 | On time |
| Brighton | 13:43 | On time |