Northbound - Platform 1
| Harrow & Wealdstone | 6:40 mins |
| Harrow & Wealdstone | 20:40 mins |
Platform 1
| Watford Junction | 12:08 mins |
| Watford Junction | 26:47 mins |
Southbound - Platform 2
| Elephant & Castle | 10 secs |
Platform 2
| London Euston | 13:47 mins |
| London Euston | 28:47 mins |