| Location | Planned | Expected |
|---|---|---|
| Brighton | 13:44 | 13:50 |
| Burgess Hill | 13:55 | 13:59 |
| Haywards Heath | 14:01 | 14:06 |
| Three Bridges | 14:10 | 14:15 |
| Gatwick Airport | 14:16 | 14:20 |
| East Croydon | 14:31 | 14:34 |
| London Bridge | 14:46 | On time |
| London Blackfriars | 14:52 | On time |
| City Thameslink | 14:54 | On time |
| Farringdon | 14:56 | On time |
| London St Pancras (Intl) | 15:01 | On time |
| Finsbury Park | 15:08 | On time |
| Stevenage | 15:29 | On time |
| Hitchin | 15:34 | On time |
| Letchworth Garden City | 15:39 | On time |
| Baldock | 15:43 | On time |
| Ashwell & Morden | 15:48 | On time |
| Royston | 15:52 | On time |
| Cambridge | 16:09 | 16:06 |