| Planned | Expected | |
|---|---|---|
| London Euston | 16:09 | On time |
| Harrow & Wealdstone | 16:21 | 16:27 |
| Bushey | 16:27 | 16:31 |
| Watford Junction | 16:29 | 16:34 |
| Kings Langley | 16:34 | 16:39 |
| Apsley | 16:38 | 16:42 |
| Hemel Hempstead | 16:41 | 16:45 |
| Berkhamsted | 16:46 | 16:49 |
| Tring | 16:51 | 16:54 |
| Cheddington | 16:57 | 16:59 |
| Leighton Buzzard | 17:02 | On time |
| Bletchley | 17:08 | 17:10 |
| Milton Keynes Central | 17:15 | On time |