Operator: Chiltern Railways
Coaches:
(4)
(4)
Previous Calling Points:
| 19:56 | London Marylebone | On time |
| 20:08 | Harrow-on-the-Hill | On time |
| 20:18 | Rickmansworth | Unknown |
| 20:23 | Chorleywood | Unknown |
| 20:27 | Chalfont & Latimer | Unknown |
| 20:32 | Amersham | Unknown |
| 20:39 | Great Missenden | Unknown |
| 20:45 | Wendover | Unknown |
| 20:49 | Stoke Mandeville | Unknown |
| 20:54 | Aylesbury | Unknown |
