| Location | Planned | Expected |
|---|---|---|
| Bedford | 23:44 | On time |
| Flitwick | 23:55 | On time |
| Harlington | 23:59 | On time |
| Leagrave | 00:06 | On time |
| Luton | 00:11 | On time |
| Luton Airport Parkway | 00:13 | On time |
| Harpenden | 00:19 | On time |
| St Albans | 00:25 | On time |
| Brent Cross West | 00:38 | |
| West Hampstead Thameslink | 00:42 | |
| London St Pancras (Intl) | 00:52 | |
| London Blackfriars | 01:01 | |
| East Croydon | 01:28 | |
| Purley | 01:34 | |
| Redhill | 01:45 | |
| Horley | 01:52 | |
| Gatwick Airport | 01:56 | |
| Three Bridges | 02:03 | |
| Haywards Heath | 02:13 | |
| Brighton | 02:28 |