| Planned | Expected | |
|---|---|---|
| Milton Keynes Central | ||
| Bletchley | 21:04 | On time |
| Leighton Buzzard | 21:11 | 21:13 |
| Cheddington | 21:16 | 21:19 |
| Tring | 21:23 | On time |
| Berkhamsted | 21:28 | On time |
| Hemel Hempstead | 21:32 | 21:34 |
| Apsley | 21:36 | On time |
| Kings Langley | 21:39 | 21:41 |
| Watford Junction | 21:44 | 21:46 |
| Bushey | 21:47 | 21:49 |
| Harrow & Wealdstone | 21:53 | 21:55 |
| London Euston | 22:07 | 22:09 |