Operator: West Midlands Trains
Previous Calling Points:
| 01:39 | London Euston | On time |
| 01:51 | Harrow & Wealdstone | On time |
| 01:58 | Watford Junction | On time |
| 02:03 | Kings Langley | On time |
| 02:07 | Apsley | On time |
| 02:10 | Hemel Hempstead | On time |
| 02:15 | Berkhamsted | On time |
| 02:20 | Tring | Unknown |
| 02:30 | Leighton Buzzard | Unknown |
| 02:37 | Bletchley | Unknown |