This service has been delayed by a fault with the signalling system
Operator: Thameslink
Coaches:
(12)
(12)
Previous Calling Points:
| 16:18 | Bedford | On time | |
| 16:29 | Flitwick | On time | |
| 16:33 | Harlington | On time | |
| 16:38 | Leagrave | On time | |
| 16:43 | Luton | On time | |
| 16:46 | Luton Airport Parkway | On time | |
| 16:52 | Harpenden | On time | |
| 16:57 | St Albans | On time | |
| 17:09 | West Hampstead Thameslink | On time | |
| 17:20 | London St Pancras (Intl) | On time | |
| 17:24 | Farringdon | Delayed | actual 17:26 |
| 17:26 | City Thameslink | Delayed | actual 17:36 |
| 17:29 | London Blackfriars | Delayed | actual 17:37 |
| 17:35 | London Bridge | Delayed | actual 17:44 |
| 17:50 | East Croydon | Delayed | actual 17:59 |
| 18:06 | Gatwick Airport | Delayed | actual 18:24 |
| 18:11 | Three Bridges | Delayed | actual 18:29 |
| 18:17 | Balcombe | Delayed | actual 18:35 |
| 18:23 | Haywards Heath | Delayed | actual 18:40 |
| 18:27 | Wivelsfield | Unknown |
