| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 15:06 | On time |
| Finsbury Park | 15:12 | On time |
| Alexandra Palace | 15:17 | On time |
| Potters Bar | 15:26 | On time |
| Hatfield | 15:32 | On time |
| Welwyn Garden City | 15:40 | On time |
| Welwyn North | 15:42 | On time |
| Knebworth | 15:46 | On time |
| Stevenage | 15:50 | On time |
| Hitchin | 15:55 | On time |
| Letchworth Garden City | 16:01 | On time |
| Baldock | 16:04 | On time |
| Royston | 16:12 | On time |
| Meldreth | 16:16 | On time |
| Shepreth | 16:20 | On time |
| Foxton | 16:22 | On time |
| Cambridge | 16:35 | 16:33 |