| Planned | Expected | |
|---|---|---|
| London Marylebone | 21:06 | On time |
| Gerrards Cross | 21:26 | On time |
| Beaconsfield | 21:33 | On time |
| High Wycombe | 21:40 | On time |
| Saunderton | 21:46 | On time |
| Princes Risborough | 21:51 | On time |
| Bicester Village | 22:10 | On time |
| Oxford Parkway | 22:20 | On time |
| Oxford | 22:28 | On time |