Operator: West Midlands Trains
Calling Points:
| 20:57 | Berkhamsted | On time |
| 21:02 | Tring | On time |
| 21:12 | Leighton Buzzard | On time |
| 21:20 | Bletchley | On time |
| 20:57 | Berkhamsted | On time |
| 21:02 | Tring | On time |
| 21:12 | Leighton Buzzard | On time |
| 21:20 | Bletchley | On time |
| 21:01 | Watford Junction | On time |
| 21:08 | Harrow & Wealdstone | On time |
| 21:22 | London Euston | On time |
| 21:06 | Apsley | On time |
| 21:09 | Kings Langley | On time |
| 21:14 | Watford Junction | On time |
| 21:17 | Bushey | On time |
| 21:23 | Harrow & Wealdstone | On time |
| 21:39 | London Euston | On time |
(8)
| 21:17 | Berkhamsted | On time |
| 21:22 | Tring | On time |
| 21:27 | Cheddington | On time |
| 21:32 | Leighton Buzzard | On time |
| 21:38 | Bletchley | On time |
| 21:46 | Milton Keynes Central | On time |
| 21:27 | Berkhamsted | On time |
| 21:32 | Tring | On time |
| 21:43 | Leighton Buzzard | On time |
| 21:50 | Bletchley | On time |
(8)
| 21:36 | Apsley | On time |
| 21:39 | Kings Langley | On time |
| 21:44 | Watford Junction | On time |
| 21:47 | Bushey | On time |
| 21:53 | Harrow & Wealdstone | On time |
| 22:07 | London Euston | On time |
| 21:43 | Berkhamsted | On time |
| 21:48 | Tring | On time |
| 21:54 | Cheddington | On time |
| 21:58 | Leighton Buzzard | On time |
| 22:05 | Bletchley | On time |
| 22:12 | Milton Keynes Central | On time |
(8)
| 21:59 | Berkhamsted | On time |
| 22:04 | Tring | On time |
| 22:13 | Leighton Buzzard | On time |
| 22:20 | Bletchley | On time |
| 22:27 | Milton Keynes Central | On time |
| 22:03 | Apsley | On time |
| 22:06 | Kings Langley | On time |
| 22:11 | Watford Junction | On time |
| 22:14 | Bushey | On time |
| 22:19 | Harrow & Wealdstone | On time |
| 22:37 | London Euston | On time |
| 22:32 | Berkhamsted | On time |
| 22:37 | Tring | On time |
| 22:42 | Cheddington | On time |
| 22:47 | Leighton Buzzard | On time |
| 22:54 | Bletchley | On time |
| 23:00 | Milton Keynes Central | On time |
(8)
(8)