| Location | Planned | Expected |
|---|---|---|
| London Euston | ||
| Harrow & Wealdstone | 14:20 | |
| Bushey | 14:26 | |
| Watford Junction | 14:29 | |
| Kings Langley | 14:34 | |
| Apsley | 14:38 | |
| Hemel Hempstead | 14:41 | |
| Berkhamsted | 14:46 | |
| Tring | 14:51 | |
| Cheddington | 14:57 | |
| Leighton Buzzard | 15:02 | |
| Bletchley | 15:08 | |
| Milton Keynes Central | 15:15 |