| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 15:57 | On time |
| Finsbury Park | 16:03 | On time |
| Alexandra Palace | 16:08 | On time |
| Potters Bar | 16:16 | On time |
| Hatfield | 16:22 | On time |
| Welwyn Garden City | 16:28 | On time |
| Welwyn North | 16:30 | On time |
| Knebworth | 16:34 | On time |
| Stevenage | 16:38 | On time |
| Hitchin | 16:43 | On time |
| Letchworth Garden City | 16:49 | On time |
| Baldock | 16:53 | On time |
| Royston | 17:01 | On time |
| Meldreth | 17:05 | On time |
| Shepreth | 17:09 | On time |
| Foxton | 17:11 | On time |
| Cambridge | 17:24 | 17:20 |