Operator: Chiltern Railways
Coaches:
(3)
(3)
Previous Calling Points:
| 20:23 | London Marylebone | Delayed | actual 20:25 |
| 20:35 | Harrow-on-the-Hill | Delayed | actual 20:37 |
| 20:45 | Rickmansworth | Unknown | |
| 20:50 | Chorleywood | Unknown |
