| Location | Planned | Expected |
|---|---|---|
| Moorgate | 23:31 | On time |
| Old Street | 23:34 | On time |
| Essex Road | 23:37 | On time |
| Highbury & Islington | 23:39 | On time |
| Drayton Park | 23:42 | On time |
| Finsbury Park | 23:45 | On time |
| Harringay | 23:48 | On time |
| Hornsey | 23:50 | On time |
| Alexandra Palace | 23:53 | On time |
| New Southgate | 23:56 | On time |
| Oakleigh Park | 23:59 | On time |
| New Barnet | 00:01 | On time |
| Hadley Wood | 00:03 | 00:05 |
| Potters Bar | 00:06 | 00:08 |
| Brookmans Park | 00:09 | 00:12 |
| Welham Green | 00:12 | 00:14 |
| Hatfield | 00:15 | 00:17 |
| Welwyn Garden City | 00:20 | 00:22 |