Northbound - Platform 1
| Harrow & Wealdstone | 2:37 mins |
| Harrow & Wealdstone | 21:37 mins |
1
Platform 1
| Watford Junction | 7:50 mins |
| Watford Junction | 22:50 mins |
| Watford Junction | 37:50 mins |
| Watford Junction | 52:50 mins |
Southbound - Platform 2
| Elephant & Castle | 3:07 mins |
2
Platform 2
| London Euston | 12:50 mins |
| London Euston | 27:50 mins |
| London Euston | 42:50 mins |
| London Euston | 57:50 mins |