| Location | Planned | Expected |
|---|---|---|
| Moorgate | ||
| Old Street | 00:29 | On time |
| Essex Road | 00:33 | On time |
| Highbury & Islington | 00:35 | On time |
| Drayton Park | 00:37 | On time |
| Finsbury Park | 00:40 | On time |
| Alexandra Palace | 00:50 | On time |
| New Southgate | 00:54 | On time |
| Oakleigh Park | 00:57 | On time |
| New Barnet | 00:59 | On time |
| Hadley Wood | 01:02 | On time |
| Potters Bar | 01:05 | On time |
| Brookmans Park | 01:09 | On time |
| Welham Green | 01:11 | On time |
| Hatfield | 01:14 | On time |
| Welwyn Garden City | 01:18 | On time |