| Location | Planned | Expected |
|---|---|---|
| Bedford | 03:15 | On time |
| Flitwick | 03:26 | On time |
| Harlington | 03:30 | On time |
| Leagrave | 03:36 | On time |
| Luton | 03:40 | On time |
| Luton Airport Parkway | 03:43 | On time |
| Harpenden | 03:49 | On time |
| St Albans | 03:55 | On time |
| Radlett | 04:01 | On time |
| Elstree & Borehamwood | 04:04 | On time |
| Mill Hill Broadway | 04:08 | On time |
| Hendon | 04:12 | On time |
| Brent Cross West | 04:14 | On time |
| Cricklewood | 04:16 | 04:18 |
| West Hampstead Thameslink | 04:20 | On time |
| Kentish Town | 04:24 | On time |
| London St Pancras (Intl) | 04:30 | On time |
| London Blackfriars | 04:39 | On time |
| East Croydon | 05:06 | 04:59 |
| Purley | 05:12 | On time |
| Horley | 05:28 | 05:30 |
| Gatwick Airport | 05:31 | 05:33 |
| Three Bridges | 05:37 | 05:39 |
| Balcombe | 05:45 | On time |
| Haywards Heath | 05:50 | 05:52 |
| Wivelsfield | 05:54 | 05:56 |
| Burgess Hill | 05:56 | 05:59 |
| Hassocks | 06:00 | 06:04 |
| Preston Park | 06:06 | 06:11 |
| Brighton | 06:10 | 06:15 |