Northbound - Platform 1
| Harrow & Wealdstone | 4:12 mins |
| Harrow & Wealdstone | 16:41 mins |
1
Platform 1
| Watford Junction | 9:04 mins |
| Watford Junction | 23:04 mins |
| Watford Junction | 38:04 mins |
| Watford Junction | 53:04 mins |
Southbound - Platform 2
| Elephant & Castle | 3:11 mins |
2
Platform 2
| London Euston | 13:04 mins |
| London Euston | 28:04 mins |
| London Euston | 43:04 mins |
| London Euston | 58:04 mins |