| Planned | Expected | |
|---|---|---|
| London Euston | 15:39 | On time |
| Harrow & Wealdstone | 15:51 | 15:56 |
| Bushey | 15:56 | 16:01 |
| Watford Junction | 16:00 | 16:05 |
| Kings Langley | 16:05 | 16:10 |
| Apsley | 16:09 | 16:14 |
| Hemel Hempstead | 16:12 | 16:17 |
| Berkhamsted | 16:17 | 16:22 |
| Tring | 16:22 | 16:28 |
| Cheddington | 16:27 | 16:33 |
| Leighton Buzzard | 16:32 | 16:38 |
| Bletchley | 16:38 | 16:44 |
| Milton Keynes Central | 16:45 | 16:50 |