| Location | Planned | Expected |
|---|---|---|
| London Euston | 23:42 | On time |
| Harrow & Wealdstone | 23:58 | 23:55 |
| Bushey | 00:03 | On time |
| Watford Junction | 00:06 | On time |
| Hemel Hempstead | 00:14 | On time |
| Berkhamsted | 00:19 | On time |
| Tring | 00:24 | On time |
| Leighton Buzzard | 00:34 | 00:30 |
| Bletchley | 00:41 | On time |
| Milton Keynes Central | 00:50 | 00:45 |
| Wolverton | 00:54 | On time |
| Northampton | 01:08 | On time |