| Location | Planned | Expected |
|---|---|---|
| Brighton | 23:23 | On time |
| Preston Park | 23:27 | On time |
| Hassocks | 23:33 | On time |
| Burgess Hill | 23:37 | On time |
| Wivelsfield | 23:39 | On time |
| Haywards Heath | 23:44 | On time |
| Balcombe | 23:49 | On time |
| Three Bridges | 23:56 | On time |
| Gatwick Airport | 00:01 | 00:04 |
| Redhill | 00:11 | 00:12 |
| East Croydon | 00:25 | On time |
| London Blackfriars | 00:49 | On time |
| London St Pancras (Intl) | 00:57 | On time |
| Kentish Town | 01:03 | On time |
| West Hampstead Thameslink | 01:07 | On time |
| Cricklewood | 01:09 | On time |
| Brent Cross West | 01:12 | On time |
| Hendon | 01:14 | On time |
| Mill Hill Broadway | 01:17 | On time |
| Elstree & Borehamwood | 01:21 | 01:23 |
| Radlett | 01:26 | On time |
| St Albans | 01:32 | On time |
| Harpenden | 01:39 | On time |
| Luton Airport Parkway | 01:44 | On time |
| Luton | 01:48 | On time |
| Leagrave | 01:53 | On time |
| Harlington | 01:58 | On time |
| Flitwick | 02:02 | |
| Bedford | 02:14 |