| Planned | Expected | |
|---|---|---|
| London Euston | 19:39 | On time |
| Harrow & Wealdstone | 19:51 | 20:00 |
| Bushey | 19:56 | 20:05 |
| Watford Junction | 20:00 | 20:09 |
| Kings Langley | 20:05 | 20:14 |
| Apsley | 20:09 | 20:18 |
| Hemel Hempstead | 20:12 | 20:22 |
| Berkhamsted | 20:17 | 20:29 |
| Tring | 20:21 | 20:33 |
| Cheddington | 20:27 | 20:38 |
| Leighton Buzzard | 20:32 | 20:43 |
| Bletchley | 20:38 | 20:51 |
| Milton Keynes Central | 20:45 | 20:57 |