| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 20:57 | On time |
| Finsbury Park | 21:03 | On time |
| Alexandra Palace | 21:08 | On time |
| Potters Bar | 21:16 | On time |
| Hatfield | 21:22 | On time |
| Welwyn Garden City | 21:28 | On time |
| Welwyn North | 21:30 | 21:32 |
| Knebworth | 21:34 | On time |
| Stevenage | 21:38 | On time |
| Hitchin | 21:43 | On time |
| Letchworth Garden City | 21:50 |