| Location | Planned | Expected |
|---|---|---|
| Aylesbury Vale Parkway | 17:35 | On time |
| Aylesbury | 17:48 | On time |
| Stoke Mandeville | 17:53 | On time |
| Wendover | 17:57 | On time |
| Great Missenden | 18:03 | On time |
| Amersham | 18:11 | 18:09 |
| Chalfont & Latimer | 18:15 | No report |
| Chorleywood | 18:18 | No report |
| Rickmansworth | 18:23 | No report |
| Harrow-on-the-Hill | 18:34 | |
| London Marylebone | 18:49 | 19:08 |