| Planned | Expected | |
|---|---|---|
| Bedford | 04:43 | 04:48 |
| Flitwick | 04:54 | 04:58 |
| Harlington | 04:58 | 05:02 |
| Leagrave | 05:04 | 05:07 |
| Luton | 05:08 | 05:11 |
| Luton Airport Parkway | 05:11 | 05:14 |
| Harpenden | 05:17 | 05:19 |
| St Albans | 05:23 | 05:25 |
| West Hampstead Thameslink | 05:40 | On time |
| London St Pancras (Intl) | 05:50 | On time |
| Farringdon | 05:54 | On time |
| City Thameslink | 05:56 | On time |
| London Blackfriars | 05:59 | On time |
| London Bridge | 06:05 | On time |
| East Croydon | 06:19 | On time |
| Gatwick Airport | 06:35 | On time |
| Three Bridges | 06:39 | On time |
| Balcombe | 06:46 | On time |
| Haywards Heath | 06:51 | On time |
| Wivelsfield | 06:56 | On time |
| Burgess Hill | 06:58 | On time |
| Hassocks | 07:02 | On time |
| Preston Park | 07:08 | On time |
| Brighton | 07:13 | On time |