| Location | Planned | Expected |
|---|---|---|
| London Euston | ||
| Harrow & Wealdstone | 13:50 | |
| Bushey | 13:56 | |
| Watford Junction | 13:59 | |
| Kings Langley | 14:04 | |
| Apsley | 14:08 | |
| Hemel Hempstead | 14:11 | |
| Berkhamsted | 14:16 | |
| Tring | 14:21 | |
| Cheddington | 14:27 | |
| Leighton Buzzard | 14:32 | |
| Bletchley | 14:38 | |
| Milton Keynes Central | 14:45 |