Operator: Chiltern Railways
Coaches:
(2)
(2)
Previous Calling Points:
| 18:59 | London Marylebone | On time | |
| 19:12 | Harrow-on-the-Hill | On time | |
| 19:23 | Rickmansworth | Delayed | actual 19:29 |
| 19:27 | Chorleywood | Delayed | actual 19:34 |
| 19:31 | Chalfont & Latimer | Delayed | actual 19:39 |
| 19:36 | Amersham | Delayed | actual 19:44 |
