| Planned | Expected | |
|---|---|---|
| London Kings Cross | 20:27 | On time |
| Finsbury Park | 20:33 | On time |
| Alexandra Palace | 20:38 | On time |
| Potters Bar | 20:46 | On time |
| Hatfield | 20:52 | On time |
| Welwyn Garden City | 20:58 | On time |
| Welwyn North | 21:00 | On time |
| Knebworth | 21:04 | On time |
| Stevenage | 21:08 | On time |
| Hitchin | 21:13 | On time |
| Letchworth Garden City | 21:19 | On time |
| Baldock | 21:23 | On time |
| Ashwell & Morden | 21:28 | On time |
| Royston | 21:32 | On time |
| Meldreth | 21:36 | On time |
| Shepreth | 21:40 | On time |
| Foxton | 21:42 | On time |
| Cambridge | 21:53 | On time |