Operator: West Midlands Trains
Previous Calling Points:
| 18:39 | London Euston | Delayed | actual 18:41 |
| 18:51 | Harrow & Wealdstone | Delayed | actual 18:55 |
| 18:56 | Bushey | Delayed | actual 18:59 |
| 19:00 | Watford Junction | Delayed | actual 19:03 |
| 19:05 | Kings Langley | Unknown | |
| 19:09 | Apsley | Unknown |
