| Location | Planned | Expected |
|---|---|---|
| London Euston | 11:09 | On time |
| Harrow & Wealdstone | 11:21 | 11:26 |
| Bushey | 11:26 | 11:30 |
| Watford Junction | 11:30 | 11:34 |
| Kings Langley | 11:34 | 11:38 |
| Apsley | 11:38 | 11:41 |
| Hemel Hempstead | 11:41 | 11:44 |
| Berkhamsted | 11:46 | 11:48 |
| Tring | 11:51 | 11:53 |
| Cheddington | 11:57 | On time |
| Leighton Buzzard | 12:02 | On time |
| Bletchley | 12:08 | On time |
| Milton Keynes Central | 12:15 | On time |