| Planned | Expected | |
|---|---|---|
| London Kings Cross | 12:27 | On time |
| Finsbury Park | 12:33 | On time |
| Alexandra Palace | 12:38 | 12:42 |
| Potters Bar | 12:46 | 12:53 |
| Hatfield | 12:52 | 12:59 |
| Welwyn Garden City | 12:56 | 13:03 |
| Welwyn North | 13:00 | 13:07 |
| Knebworth | 13:04 | 13:12 |
| Stevenage | 13:08 | 13:17 |
| Hitchin | 13:13 | 13:22 |
| Letchworth Garden City | 13:19 | 13:28 |
| Baldock | 13:23 | 13:31 |
| Royston | 13:31 | 13:39 |
| Meldreth | 13:35 | 13:42 |
| Shepreth | 13:39 | 13:46 |
| Foxton | 13:41 | 13:50 |
| Cambridge | 13:53 | 13:57 |