| Brighton | 00:02 | On time |
| Preston Park | 00:06 | On time |
| Hassocks | 00:12 | On time |
| Burgess Hill | 00:16 | On time |
| Wivelsfield | 00:18 | On time |
| Haywards Heath | 00:23 | On time |
| Balcombe | 00:28 | |
| Three Bridges | 00:36 | |
| Gatwick Airport | 00:41 | |
| Horley | 00:45 | |
| Redhill | 00:53 | |
| Purley | 01:02 | |
| East Croydon | 01:09 | |
| London Blackfriars | 01:36 | |
| London St Pancras (Intl) | 01:43 | |
| Kentish Town | 01:48 | |
| West Hampstead Thameslink | 01:52 | |
| Cricklewood | 01:55 | |
| Brent Cross West | 01:58 | |
| Hendon | 02:00 | |
| Mill Hill Broadway | 02:03 | |
| Elstree & Borehamwood | 02:07 | |
| Radlett | 02:11 | |
| St Albans | 02:17 | |
| Harpenden | 02:24 | |
| Luton Airport Parkway | 02:29 | |
| Luton | 02:33 | |
| Leagrave | 02:38 | |
| Harlington | 02:42 | |
| Flitwick | 02:46 | |
| Bedford | 02:59 | |