| Planned | Expected | |
|---|---|---|
| Milton Keynes Central | ||
| Bletchley | 20:04 | 20:01 |
| Leighton Buzzard | 20:12 | On time |
| Cheddington | 20:17 | On time |
| Tring | 20:23 | On time |
| Berkhamsted | 20:28 | On time |
| Hemel Hempstead | 20:33 | On time |
| Apsley | 20:36 | On time |
| Kings Langley | 20:40 | On time |
| Watford Junction | 20:45 | On time |
| Bushey | 20:48 | On time |
| Harrow & Wealdstone | 20:53 | On time |
| London Euston | 21:08 | On time |