| Location | Planned | Expected |
|---|---|---|
| Moorgate | 00:01 | On time |
| Old Street | 00:04 | On time |
| Essex Road | 00:07 | On time |
| Highbury & Islington | 00:09 | On time |
| Drayton Park | 00:11 | On time |
| Finsbury Park | 00:14 | On time |
| Harringay | 00:18 | On time |
| Hornsey | 00:20 | On time |
| Alexandra Palace | 00:22 | On time |
| New Southgate | 00:26 | On time |
| Oakleigh Park | 00:29 | On time |
| New Barnet | 00:31 | On time |
| Hadley Wood | 00:34 | |
| Potters Bar | 00:37 | |
| Brookmans Park | 00:40 | |
| Welham Green | 00:43 | |
| Hatfield | 00:46 | |
| Welwyn Garden City | 00:51 |