| Location | Planned | Expected |
|---|---|---|
| London Marylebone | 20:57 | On time |
| Harrow-on-the-Hill | 21:09 | On time |
| Rickmansworth | 21:19 | No report |
| Chorleywood | 21:24 | No report |
| Chalfont & Latimer | 21:28 | No report |
| Amersham | 21:33 | On time |
| Great Missenden | 21:40 | On time |
| Wendover | 21:46 | On time |
| Stoke Mandeville | 21:50 | No report |
| Aylesbury | 21:55 | On time |
| Aylesbury Vale Parkway | 22:03 | On time |