| Location | Planned | Expected |
|---|---|---|
| London Marylebone | 13:57 | On time |
| Harrow-on-the-Hill | 14:09 | On time |
| Rickmansworth | 14:19 | No report |
| Chorleywood | 14:24 | |
| Chalfont & Latimer | 14:28 | No report |
| Amersham | 14:32 | No report |
| Great Missenden | 14:40 | On time |
| Wendover | 14:46 | On time |
| Stoke Mandeville | 14:50 | On time |
| Aylesbury | 14:55 | 14:57 |
| Aylesbury Vale Parkway | 15:03 |