| Location | Planned | Expected |
|---|---|---|
| Moorgate | 00:16 | On time |
| Old Street | 00:19 | On time |
| Essex Road | 00:22 | On time |
| Highbury & Islington | 00:24 | On time |
| Drayton Park | 00:27 | On time |
| Finsbury Park | 00:30 | On time |
| Harringay | 00:33 | On time |
| Hornsey | 00:35 | On time |
| Alexandra Palace | 00:38 | On time |
| Bowes Park | 00:41 | On time |
| Palmers Green | 00:43 | On time |
| Winchmore Hill | 00:46 | On time |
| Grange Park | 00:48 | On time |
| Enfield Chase | 00:50 | On time |
| Gordon Hill | 00:53 | On time |
| Crews Hill | 00:56 | On time |
| Cuffley | 00:59 | On time |
| Bayford | 01:03 | On time |
| Hertford North | 01:08 | On time |
| Watton-at-Stone | 01:13 | On time |
| Stevenage | 01:22 | On time |
| Hitchin | 01:27 | On time |
| Letchworth Garden City | 01:34 | On time |