| Location | Planned | Expected |
|---|---|---|
| Aylesbury Vale Parkway | 19:13 | |
| Aylesbury | 19:18 | |
| Stoke Mandeville | 19:23 | |
| Wendover | 19:27 | |
| Great Missenden | 19:33 | |
| Amersham | 19:40 | |
| Chalfont & Latimer | 19:44 | |
| Chorleywood | 19:48 | |
| Rickmansworth | 19:53 | |
| Harrow-on-the-Hill | 20:04 | |
| London Marylebone | 20:19 |