| Planned | Expected | |
|---|---|---|
| London Kings Cross | 21:27 | On time |
| Finsbury Park | 21:33 | On time |
| Alexandra Palace | 21:38 | On time |
| Potters Bar | 21:46 | On time |
| Hatfield | 21:52 | On time |
| Welwyn Garden City | 21:58 | On time |
| Welwyn North | 22:00 | On time |
| Knebworth | 22:04 | On time |
| Stevenage | 22:08 | On time |
| Hitchin | 22:13 | On time |
| Letchworth Garden City | 22:19 | On time |
| Baldock | 22:23 | On time |
| Ashwell & Morden | 22:28 | On time |
| Royston | 22:32 | 22:34 |
| Meldreth | 22:36 | 22:46 |
| Shepreth | 22:40 | 22:50 |
| Foxton | 22:42 | 22:53 |
| Cambridge | 22:53 | 23:01 |