| Location | Planned | Expected |
|---|---|---|
| Bedford | 04:43 | On time |
| Flitwick | 04:54 | On time |
| Harlington | 04:58 | On time |
| Leagrave | 05:04 | On time |
| Luton | 05:07 | On time |
| Luton Airport Parkway | 05:11 | On time |
| Harpenden | 05:17 | On time |
| St Albans | 05:23 | On time |
| Radlett | 05:26 | 05:28 |
| Elstree & Borehamwood | 05:29 | 05:32 |
| Mill Hill Broadway | 05:33 | 05:36 |
| Hendon | 05:35 | 05:40 |
| Brent Cross West | 05:36 | 05:42 |
| Cricklewood | 05:37 | 05:45 |
| West Hampstead Thameslink | 05:40 | 05:47 |
| Kentish Town | 05:43 | 05:52 |
| London St Pancras (Intl) | 05:49 | 05:56 |
| Farringdon | 05:54 | 06:00 |
| City Thameslink | 05:56 | 06:02 |
| London Blackfriars | 05:58 | 06:04 |
| London Bridge | 06:04 | 06:09 |
| East Croydon | 06:18 | 06:21 |
| Gatwick Airport | 06:34 | |
| Three Bridges | 06:39 | |
| Balcombe | 06:46 | |
| Haywards Heath | 06:51 | |
| Wivelsfield | 06:56 | |
| Burgess Hill | 06:58 | |
| Hassocks | 07:02 | |
| Preston Park | 07:08 | |
| Brighton | 07:13 |