| Location | Planned | Expected |
|---|---|---|
| Aylesbury Vale Parkway | 16:13 | On time |
| Aylesbury | 16:18 | On time |
| Stoke Mandeville | 16:23 | On time |
| Wendover | 16:27 | On time |
| Great Missenden | 16:33 | On time |
| Amersham | 16:41 | On time |
| Chalfont & Latimer | 16:45 | No report |
| Chorleywood | 16:48 | |
| Rickmansworth | 16:53 | No report |
| Harrow-on-the-Hill | 17:04 | No report |
| London Marylebone | 17:18 | On time |