| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 16:27 | On time |
| Finsbury Park | 16:33 | On time |
| Alexandra Palace | 16:38 | On time |
| Potters Bar | 16:46 | On time |
| Hatfield | 16:52 | On time |
| Welwyn Garden City | 16:58 | On time |
| Welwyn North | 17:00 | 17:02 |
| Knebworth | 17:04 | On time |
| Stevenage | 17:08 | On time |
| Hitchin | 17:13 | On time |
| Letchworth Garden City | 17:19 | On time |
| Baldock | 17:23 | On time |
| Ashwell & Morden | 17:28 | On time |
| Royston | 17:32 | On time |
| Meldreth | 17:36 | On time |
| Shepreth | 17:40 | On time |
| Foxton | 17:42 | On time |
| Cambridge | 17:53 | On time |