| Planned | Expected | |
|---|---|---|
| London Euston | 22:09 | On time |
| Harrow & Wealdstone | 22:21 | |
| Bushey | 22:26 | |
| Watford Junction | 22:29 | |
| Kings Langley | 22:34 | |
| Apsley | 22:38 | |
| Hemel Hempstead | 22:40 | |
| Berkhamsted | 22:45 | |
| Tring | 22:50 | |
| Leighton Buzzard | 23:01 | |
| Bletchley | 23:07 | |
| Milton Keynes Central | 23:16 | |
| Wolverton | 23:20 | |
| Northampton | 23:34 |