| Location | Planned | Expected |
|---|---|---|
| London Marylebone | 22:57 | On time |
| Harrow-on-the-Hill | 23:09 | On time |
| Rickmansworth | 23:19 | No report |
| Chorleywood | 23:24 | No report |
| Chalfont & Latimer | 23:28 | No report |
| Amersham | 23:33 | 23:36 |
| Great Missenden | 23:40 | On time |
| Wendover | 23:46 | On time |
| Stoke Mandeville | 23:50 | On time |
| Aylesbury | 23:55 | 23:57 |
| Aylesbury Vale Parkway | 00:03 | On time |