Southbound - Platform 1
Northbound - Platform 2
| Harrow & Wealdstone | missed it |
| Stonebridge Park | 2:05 mins |
| Stonebridge Park | 8:35 mins |
| Harrow & Wealdstone | 15:35 mins |
| Stonebridge Park | 20:35 mins |
Platform 2
| Watford Junction | 8:46 mins |
| Harrow & Wealdstone | missed it |
| Stonebridge Park | 2:05 mins |
| Stonebridge Park | 8:35 mins |
| Harrow & Wealdstone | 15:35 mins |
| Stonebridge Park | 20:35 mins |
| Watford Junction | 8:46 mins |