Operator: West Midlands Trains
Previous Calling Points:
| 17:39 | London Euston | On time | |
| 17:51 | Harrow & Wealdstone | Delayed | actual 17:53 |
| 17:57 | Bushey | On time | |
| 18:00 | Watford Junction | Delayed | actual 18:03 |
| 18:05 | Kings Langley | Delayed | actual 18:08 |
| 18:09 | Apsley | Delayed | actual 18:12 |
| 18:12 | Hemel Hempstead | Delayed | actual 18:17 |
| 18:17 | Berkhamsted | Delayed | actual 18:22 |
| 18:22 | Tring | Delayed | actual 18:27 |
| 18:27 | Cheddington | Delayed | actual 18:33 |
| 18:32 | Leighton Buzzard | Delayed | actual 18:38 |
| 18:40 | Bletchley | Unknown |
