| Location | Planned | Expected |
|---|---|---|
| London Euston | 23:09 | On time |
| Harrow & Wealdstone | 23:20 | 23:22 |
| Watford Junction | 23:29 | On time |
| Kings Langley | 23:34 | On time |
| Apsley | 23:38 | On time |
| Hemel Hempstead | 23:40 | 23:43 |
| Berkhamsted | 23:47 | 23:49 |
| Tring | 23:52 | 23:54 |
| Cheddington | 23:58 | 00:00 |
| Leighton Buzzard | 00:03 | 00:05 |
| Bletchley | 00:09 | 00:12 |
| Milton Keynes Central | 00:18 | On time |
| Wolverton | 00:22 | On time |
| Northampton | 00:37 | On time |