Operator: Chiltern Railways
Coaches:
(4)
(4)
Previous Calling Points:
| 08:12 | London Marylebone | On time |
| 08:22 | Wembley Stadium | On time |
| 08:33 | Denham | On time |
| 08:38 | Gerrards Cross | On time |
| 08:45 | Beaconsfield | On time |
| 08:52 | High Wycombe | On time |
| 09:07 | Haddenham & Thame Parkway | On time |