| Location | Planned | Expected |
|---|---|---|
| London Euston | 22:39 | On time |
| Harrow & Wealdstone | 22:52 | On time |
| Watford Junction | 23:00 | On time |
| Kings Langley | 23:05 | 23:10 |
| Apsley | 23:09 | 23:14 |
| Hemel Hempstead | 23:12 | 23:23 |
| Berkhamsted | 23:17 | 23:29 |
| Tring | 23:22 | 23:34 |
| Cheddington | 23:27 | 23:39 |
| Leighton Buzzard | 23:34 | 23:45 |
| Bletchley | 23:41 | 23:52 |
| Milton Keynes Central | 23:48 | 00:05 |
| Wolverton | 23:51 | 00:09 |
| Northampton | 00:09 | 00:22 |