| Planned | Expected | |
|---|---|---|
| London Marylebone | ||
| Gerrards Cross | 19:59 | On time |
| Seer Green | 20:04 | On time |
| Beaconsfield | 20:08 | On time |
| High Wycombe | 20:16 | On time |
| Princes Risborough | 20:26 | On time |
| Bicester Village | 20:47 | 20:45 |
| Islip | 20:55 | |
| Oxford Parkway | 20:59 | |
| Oxford | 21:08 |