| Planned | Expected | |
|---|---|---|
| Milton Keynes Central | ||
| Bletchley | 20:34 | 20:31 |
| Leighton Buzzard | 20:41 | On time |
| Cheddington | 20:46 | On time |
| Tring | 20:53 | On time |
| Berkhamsted | 20:58 | On time |
| Hemel Hempstead | 21:02 | On time |
| Apsley | 21:06 | On time |
| Kings Langley | 21:09 | On time |
| Watford Junction | 21:14 | On time |
| Bushey | 21:17 | On time |
| Harrow & Wealdstone | 21:23 | On time |
| London Euston | 21:38 | 21:44 |