| Planned | Expected | |
|---|---|---|
| London Euston | 20:09 | On time |
| Harrow & Wealdstone | 20:23 | 20:28 |
| Bushey | 20:28 | 20:32 |
| Watford Junction | 20:31 | 20:36 |
| Kings Langley | 20:36 | 20:41 |
| Apsley | 20:40 | 20:44 |
| Hemel Hempstead | 20:43 | 20:47 |
| Berkhamsted | 20:48 | 20:52 |
| Tring | 20:52 | 20:56 |
| Cheddington | 20:58 | 21:02 |
| Leighton Buzzard | 21:03 | 21:06 |
| Bletchley | 21:10 | 21:13 |
| Milton Keynes Central | 21:16 | 21:19 |