| Location | Planned | Expected |
|---|---|---|
| Moorgate | ||
| Old Street | 23:29 | On time |
| Essex Road | 23:33 | On time |
| Highbury & Islington | 23:35 | On time |
| Drayton Park | 23:37 | On time |
| Finsbury Park | 23:40 | On time |
| Alexandra Palace | 23:48 | On time |
| New Southgate | 23:52 | On time |
| Oakleigh Park | 23:55 | On time |
| New Barnet | 23:57 | On time |
| Hadley Wood | 00:01 | On time |
| Potters Bar | 00:04 | On time |
| Brookmans Park | 00:08 | On time |
| Welham Green | 00:10 | On time |
| Hatfield | 00:13 | On time |
| Welwyn Garden City | 00:18 | On time |