| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 19:27 | On time |
| Finsbury Park | 19:33 | On time |
| Alexandra Palace | 19:37 | On time |
| Potters Bar | 19:46 | 19:49 |
| Hatfield | 19:52 | 19:58 |
| Welwyn Garden City | 19:58 | 20:02 |
| Welwyn North | 20:00 | 20:05 |
| Knebworth | 20:04 | 20:09 |
| Stevenage | 20:08 | 20:13 |
| Hitchin | 20:14 | |
| Letchworth Garden City | 20:21 |