| Location | Planned | Expected |
|---|---|---|
| London Kings Cross | 14:27 | On time |
| Finsbury Park | 14:33 | 14:41 |
| Alexandra Palace | 14:38 | 14:47 |
| Potters Bar | 14:46 | 14:55 |
| Hatfield | 14:52 | 15:00 |
| Welwyn Garden City | 14:58 | 15:05 |
| Welwyn North | 15:00 | 15:10 |
| Knebworth | 15:04 | 15:13 |
| Stevenage | 15:08 | 15:17 |
| Hitchin | 15:13 | 15:23 |
| Letchworth Garden City | 15:19 | 15:29 |
| Baldock | 15:23 | 15:32 |
| Royston | 15:31 | 15:40 |
| Meldreth | 15:35 | 15:43 |
| Shepreth | 15:39 | 15:47 |
| Foxton | 15:41 | 15:50 |
| Cambridge | 15:53 | 15:58 |