| Location | Planned | Expected |
|---|---|---|
| Moorgate | 23:57 | On time |
| Old Street | 23:59 | On time |
| Essex Road | 00:03 | On time |
| Highbury & Islington | 00:05 | On time |
| Drayton Park | 00:08 | On time |
| Finsbury Park | 00:12 | On time |
| Alexandra Palace | 00:19 | On time |
| New Southgate | 00:22 | On time |
| Oakleigh Park | 00:25 | On time |
| New Barnet | 00:27 | On time |
| Hadley Wood | 00:30 | On time |
| Potters Bar | 00:33 | On time |
| Brookmans Park | 00:37 | On time |
| Welham Green | 00:39 | On time |
| Hatfield | 00:42 | On time |
| Welwyn Garden City | 00:48 | On time |