Operator: Great Western Railway
Calling Points:
| 03:46 | Southall | On time |
| 03:50 | Hayes & Harlington | On time |
| 03:54 | West Drayton | On time |
| 04:00 | Slough | On time |
| 04:06 | Maidenhead | On time |
| 04:13 | Twyford | On time |
| 04:21 | Reading | On time |