| Location | Planned | Expected |
|---|---|---|
| Northampton | 04:14 | On time |
| Wolverton | 04:26 | On time |
| Milton Keynes Central | 04:32 | On time |
| Bletchley | 04:37 | 04:39 |
| Leighton Buzzard | 04:44 | 04:46 |
| Tring | 04:57 | On time |
| Berkhamsted | 05:02 | On time |
| Hemel Hempstead | 05:07 | On time |
| Watford Junction | 05:14 | On time |
| Bushey | 05:17 | On time |
| Harrow & Wealdstone | 05:22 | On time |
| London Euston | 05:38 | On time |