| Location | Planned | Expected |
|---|---|---|
| London Marylebone | 13:27 | On time |
| Harrow-on-the-Hill | 13:39 | On time |
| Rickmansworth | 13:49 | No report |
| Chorleywood | 13:54 | |
| Chalfont & Latimer | 13:58 | No report |
| Amersham | 14:02 | No report |
| Great Missenden | 14:10 | On time |
| Wendover | 14:16 | 14:13 |
| Stoke Mandeville | 14:21 | 14:18 |
| Aylesbury | 14:26 | On time |