| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 16:06 | On time |
| Finsbury Park | 16:12 | On time |
| Alexandra Palace | 16:17 | On time |
| Potters Bar | 16:25 | On time |
| Hatfield | 16:31 | On time |
| Welwyn Garden City | 16:36 | On time |
| Welwyn North | 16:42 | On time |
| Knebworth | 16:46 | On time |
| Stevenage | 16:50 | On time |
| Hitchin | 16:55 | 16:57 |
| Letchworth Garden City | 17:01 | On time |
| Baldock | 17:04 | On time |
| Ashwell & Morden | 17:09 | On time |
| Royston | 17:14 | On time |
| Meldreth | 17:18 | On time |
| Shepreth | 17:22 | On time |
| Foxton | 17:24 | On time |
| Cambridge | 17:37 |