| Planned | Expected | |
|---|---|---|
| London Kings Cross | 11:57 | On time |
| Finsbury Park | 12:03 | 12:24 |
| Alexandra Palace | 12:08 | 12:29 |
| Potters Bar | 12:16 | 12:38 |
| Hatfield | 12:22 | 12:44 |
| Welwyn Garden City | 12:26 | 12:48 |
| Welwyn North | 12:30 | |
| Knebworth | 12:34 | |
| Stevenage | 12:38 | |
| Hitchin | 12:43 | |
| Letchworth Garden City | 12:50 |