| Location | Planned | Expected |
|---|---|---|
| Bedford | 03:43 | On time |
| Flitwick | 03:54 | On time |
| Harlington | 03:58 | On time |
| Leagrave | 04:04 | On time |
| Luton | 04:08 | On time |
| Luton Airport Parkway | 04:11 | On time |
| Harpenden | 04:17 | On time |
| St Albans | 04:23 | On time |
| Brent Cross West | 04:37 | 04:34 |
| West Hampstead Thameslink | 04:42 | On time |
| London St Pancras (Intl) | 04:51 | 04:48 |
| Farringdon | 04:56 | On time |
| City Thameslink | 04:58 | On time |
| London Blackfriars | 05:00 | On time |
| East Croydon | 05:27 | 05:20 |
| Gatwick Airport | 05:47 | On time |
| Three Bridges | 05:55 | On time |
| Haywards Heath | 06:05 | On time |
| Wivelsfield | 06:10 | On time |
| Burgess Hill | 06:12 | On time |
| Hassocks | 06:15 | On time |
| Preston Park | 06:22 | |
| Brighton | 06:26 |