| Location | Planned | Expected |
|---|---|---|
| Moorgate | 23:46 | On time |
| Old Street | 23:49 | On time |
| Essex Road | 23:52 | On time |
| Highbury & Islington | 23:54 | On time |
| Drayton Park | 23:57 | On time |
| Finsbury Park | 00:01 | On time |
| Harringay | 00:03 | On time |
| Hornsey | 00:05 | On time |
| Alexandra Palace | 00:09 | On time |
| Bowes Park | 00:12 | On time |
| Palmers Green | 00:14 | On time |
| Winchmore Hill | 00:17 | On time |
| Grange Park | 00:19 | On time |
| Enfield Chase | 00:21 | On time |
| Gordon Hill | 00:23 | On time |
| Crews Hill | 00:26 | On time |
| Cuffley | 00:29 | |
| Bayford | 00:33 | |
| Hertford North | 00:37 | |
| Watton-at-Stone | 00:43 | |
| Stevenage | 00:51 |