Northbound - Platform 1
| Harrow & Wealdstone | 3:16 mins |
| Harrow & Wealdstone | 18:16 mins |
Platform 1
| Watford Junction | 1:43 mins |
| Watford Junction | 10:10 mins |
| Watford Junction | 25:10 mins |
| Watford Junction | 40:10 mins |
| Watford Junction | 55:10 mins |
Southbound - Platform 2
| Elephant & Castle | 4:16 mins |
Platform 2
| London Euston | 1:41 mins |
| London Euston | 15:10 mins |
| London Euston | 30:10 mins |
| London Euston | 45:10 mins |