| Planned | Expected | |
|---|---|---|
| Bedford | 02:15 | On time |
| Flitwick | 02:26 | On time |
| Harlington | 02:30 | On time |
| Leagrave | 02:36 | On time |
| Luton | 02:40 | On time |
| Luton Airport Parkway | 02:43 | On time |
| Harpenden | 02:49 | On time |
| St Albans | 02:55 | On time |
| Radlett | 03:01 | On time |
| Elstree & Borehamwood | 03:04 | On time |
| Mill Hill Broadway | 03:08 | On time |
| Hendon | 03:12 | On time |
| Brent Cross West | 03:14 | On time |
| Cricklewood | 03:16 | On time |
| West Hampstead Thameslink | 03:20 | On time |
| Kentish Town | 03:24 | On time |
| London St Pancras (Intl) | 03:30 | On time |
| London Blackfriars | 03:39 | On time |
| East Croydon | 04:06 | On time |
| Purley | 04:13 | On time |
| Horley | 04:25 | On time |
| Gatwick Airport | 04:30 | On time |
| Three Bridges | 04:36 | On time |