| Location | Planned | Expected |
|---|---|---|
| Bedford | 23:43 | On time |
| Flitwick | 23:54 | On time |
| Harlington | 23:58 | 00:00 |
| Leagrave | 00:05 | On time |
| Luton | 00:10 | On time |
| Luton Airport Parkway | 00:13 | On time |
| Harpenden | 00:18 | On time |
| St Albans | 00:25 | On time |
| Brent Cross West | 00:38 | On time |
| West Hampstead Thameslink | 00:43 | 00:45 |
| London St Pancras (Intl) | 00:54 | On time |
| London Blackfriars | 01:02 | On time |
| East Croydon | 01:27 | 01:23 |
| Purley | 01:34 | 01:37 |
| Redhill | 01:45 | On time |
| Horley | 01:52 | On time |
| Gatwick Airport | 01:56 | |
| Three Bridges | 02:03 | |
| Haywards Heath | 02:13 | |
| Brighton | 02:28 |