Operator: Great Northern
Coaches:
(8)
(8)
Previous Calling Points:
| 18:26 | Cambridge | On time | |
| 18:35 | Foxton | On time | |
| 18:38 | Shepreth | On time | |
| 18:41 | Meldreth | On time | |
| 18:46 | Royston | On time | |
| 18:54 | Baldock | On time | |
| 18:57 | Letchworth Garden City | On time | |
| 19:03 | Hitchin | On time | |
| 19:09 | Stevenage | On time | |
| 19:12 | Knebworth | On time | |
| 19:16 | Welwyn North | Delayed | actual 19:18 |
| 19:21 | Welwyn Garden City | Delayed | actual 19:23 |
| 19:24 | Hatfield | Delayed | actual 19:28 |
| 19:30 | Potters Bar | Delayed | actual 19:34 |