| Location | Planned | Expected |
|---|---|---|
| Aylesbury Vale Parkway | 10:13 | On time |
| Aylesbury | 10:18 | On time |
| Stoke Mandeville | 10:23 | On time |
| Wendover | 10:27 | On time |
| Great Missenden | 10:33 | On time |
| Amersham | 10:40 | On time |
| Chalfont & Latimer | 10:45 | No report |
| Chorleywood | 10:48 | No report |
| Rickmansworth | 10:53 | No report |
| Harrow-on-the-Hill | 11:04 | No report |
| London Marylebone | 11:23 | 11:28 |