| Location | Planned | Expected |
|---|---|---|
| Aylesbury Vale Parkway | 06:43 | On time |
| Aylesbury | 06:48 | On time |
| Stoke Mandeville | 06:53 | On time |
| Wendover | 06:57 | On time |
| Great Missenden | 07:03 | On time |
| Amersham | 07:10 | On time |
| Chalfont & Latimer | 07:15 | No report |
| Chorleywood | 07:18 | No report |
| Rickmansworth | 07:23 | No report |
| Harrow-on-the-Hill | 07:34 | No report |
| London Marylebone | 07:51 | 07:48 |