| Planned | Expected | |
|---|---|---|
| Milton Keynes Central | 19:27 | On time |
| Bletchley | 19:32 | On time |
| Leighton Buzzard | 19:38 | On time |
| Cheddington | 19:47 | On time |
| Tring | 19:53 | On time |
| Berkhamsted | 19:58 | On time |
| Hemel Hempstead | 20:03 | On time |
| Apsley | 20:06 | On time |
| Kings Langley | 20:10 | On time |
| Watford Junction | 20:14 | On time |
| Bushey | 20:18 | On time |
| Harrow & Wealdstone | 20:23 | On time |
| London Euston | 20:37 | On time |