| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 19:57 | 19:59 |
| Finsbury Park | 20:03 | On time |
| Alexandra Palace | 20:07 | On time |
| Potters Bar | 20:16 | On time |
| Hatfield | 20:22 | On time |
| Welwyn Garden City | 20:27 | On time |
| Welwyn North | 20:30 | 20:32 |
| Knebworth | 20:34 | 20:36 |
| Stevenage | 20:38 | 20:41 |
| Hitchin | 20:43 | |
| Letchworth Garden City | 20:50 |