| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 00:36 | On time |
| Finsbury Park | 00:42 | On time |
| Alexandra Palace | 00:50 | On time |
| Stevenage | 01:29 | On time |
| Hitchin | 01:38 | On time |
| Letchworth Garden City | 01:44 | On time |
| Baldock | 01:48 | On time |
| Ashwell & Morden | 01:53 | On time |
| Royston | 01:58 |