| Planned | Expected | |
|---|---|---|
| London Marylebone | ||
| Harrow-on-the-Hill | 19:44 | On time |
| Rickmansworth | 19:57 | No report |
| Chorleywood | 20:01 | No report |
| Chalfont & Latimer | 20:05 | No report |
| Amersham | 20:09 | No report |
| Great Missenden | 20:17 | On time |
| Wendover | 20:23 | 20:20 |
| Stoke Mandeville | 20:28 | 20:25 |
| Aylesbury | 20:33 | On time |