| Location | Planned | Expected |
|---|---|---|
| London Marylebone | 12:57 | On time |
| Harrow-on-the-Hill | 13:09 | On time |
| Rickmansworth | 13:19 | No report |
| Chorleywood | 13:24 | |
| Chalfont & Latimer | 13:28 | No report |
| Amersham | 13:32 | No report |
| Great Missenden | 13:40 | On time |
| Wendover | 13:46 | On time |
| Stoke Mandeville | 13:50 | On time |
| Aylesbury | 13:55 | On time |
| Aylesbury Vale Parkway | 14:03 | 14:01 |