| Planned | Expected | |
|---|---|---|
| London Marylebone | ||
| Harrow-on-the-Hill | 20:08 | On time |
| Rickmansworth | 20:18 | No report |
| Chorleywood | 20:23 | No report |
| Chalfont & Latimer | 20:27 | No report |
| Amersham | 20:31 | No report |
| Great Missenden | 20:39 | On time |
| Wendover | 20:45 | On time |
| Stoke Mandeville | 20:49 | On time |
| Aylesbury | 20:54 | |
| Aylesbury Vale Parkway | 21:02 |