Northbound - Platform 1
| Harrow & Wealdstone | 7:39 mins |
| Harrow & Wealdstone | 23:39 mins |
1
Platform 1
| Watford Junction | 5:36 mins |
| Watford Junction | 20:11 mins |
| Watford Junction | 24:36 mins |
| Watford Junction | 41:36 mins |
| Watford Junction | 57:36 mins |
Southbound - Platform 2
| Elephant & Castle | 5:39 mins |
Platform 2
| London Euston | 1:36 mins |
| London Euston | 18:36 mins |
| London Euston | 31:36 mins |
| London Euston | 48:36 mins |