Southbound - Platform 1
| Elephant & Castle | 4:36 mins |
| Elephant & Castle | 13:36 mins |
1
Northbound - Platform 2
| Stonebridge Park | 1:06 mins |
| Harrow & Wealdstone | 13:36 mins |
| Harrow & Wealdstone | 24:36 mins |
2
Platform 2
| Watford Junction | 12:50 mins |
| Watford Junction | 27:50 mins |