Operators → Thameslink → 12th October 2026
Late worst first, more than 5 mins late (10 for long distance)
| Departs | Headcode | From | To | Late by | Why |
|---|---|---|---|---|---|
| 1951 | 9S61 | Cambridge | Brighton | +32 | Trespassers |
| 1946 | 9T63 | Bedford | Brighton | +29 | Signalling fault |
| 2146 | 9T71 | Bedford | Brighton | +29 | Signalling fault |
| 2016 | 9T65 | Bedford | Brighton | +28 | Speed restriction |
| 2228 | 9T68 | Brighton | Bedford | +28 | Signalling fault |
| 1300 | 9P34 | Rainham (Kent) | Luton | +27 | Trespassers |
| 1346 | 9V42 | Sutton (Surrey) | St Albans City | +27 | Trespassers |
| 2151 | 9S69 | Cambridge | Brighton | +27 | Signalling fault |
| 1328 | 9T32 | Brighton | Bedford | +25 | Trespassers |
| 1547 | 9P45 | Luton | Rainham (Kent) | +25 | Trespassers |
| 1607 | 9V57 | St Albans City | Sutton (Surrey) | +25 | Trespassers |
| 1319 | 9O40 | Sutton (Surrey) | St Albans City | +24 | Trespassers |
| 1349 | 9O42 | Sutton (Surrey) | St Albans City | +24 | Trespassers |
| 1624 | 9J52 | Horsham | Peterborough | +23 | Trespassers |
| 1637 | 9V59 | St Albans City | Sutton (Surrey) | +23 | Trespassers |
| 1628 | 9T90 | Brighton | Bedford | +21 | Trespassers |
| 1416 | 9V44 | Sutton (Surrey) | St Albans City | +20 | Trespassers |
| 2116 | 9T69 | Bedford | Brighton | +20 | Signalling fault |
| 0726 | 9T84 | Brighton | Bedford | +19 | Passengers causing a disturbance on a train |
| 1332 | 9R31 | Bedford | Three Bridges | +19 | Trespassers |
| 1416 | 9T41 | Bedford | Brighton | +19 | Trespassers |
| 1644 | 9S46 | Brighton | Cambridge | +19 | Speed restriction |
| 1330 | 9P36 | Rainham (Kent) | Luton | +18 | Trespassers |
| 1614 | 9S44 | Brighton | Cambridge | +18 | Trespassers |
| 1419 | 9O44 | Sutton (Surrey) | St Albans City | +17 | Trespassers |
| 1652 | 9O59 | St Albans City | Sutton (Surrey) | +17 | Trespassers |
| 1717 | 9P51 | Luton | Rainham (Kent) | +16 | Trespassers |
| 0830 | 9P16 | Rainham (Kent) | Luton | +15 | Signalling fault |
| 1446 | 9V46 | Sutton (Surrey) | St Albans City | +15 | Trespassers |
| 1400 | 9P38 | Rainham (Kent) | Luton | +14 | Trespassers |
| 2046 | 9T67 | Bedford | Brighton | +14 | Speed restriction |
| 0214 | 9N09 | Bedford | Three Bridges | +13 | Problem currently under investigation |
| 0639 | 9J12 | Three Bridges | Peterborough | +13 | Signalling fault |
| 1356 | 9R38 | Three Bridges | Bedford | +13 | Trespassers |
| 2051 | 9S65 | Cambridge | Brighton | +13 | Speed restriction |
| 0755 | 9J18 | Horsham | Peterborough | +12 | Train ahead late |
| 0914 | 9L88 | East Grinstead | London Bridge | +12 | Speed restriction |
| 0930 | 9P20 | Rainham (Kent) | Luton | +12 | Communication alarm being activated on this train |
| 1449 | 9O46 | Sutton (Surrey) | St Albans City | +12 | Trespassers |
| 1617 | 9P47 | Luton | Rainham (Kent) | +12 | Trespassers |
| 1856 | 9R58 | Three Bridges | Luton | +12 | Speed restriction |
| 1444 | 9S38 | Brighton | Cambridge | +11 | Speed restriction |
| 1844 | 9S54 | Brighton | Cambridge | +11 | Trespassers |
| 1516 | 9Y41 | London Blackfriars | Sevenoaks | +9 | Train ahead late |
| 1249 | 9O38 | Sutton (Surrey) | St Albans City | +8 | Freight ahead late |
| 1630 | 9P48 | Rainham (Kent) | Luton | +8 | Track inspection |
| 1730 | 9K52 | Orpington | Luton | +8 | Trespassers |
| 1809 | 9K53 | Kentish Town | Orpington | +8 | Trespassers |
| 1952 | 9O71 | St Albans City | Sutton (Surrey) | +8 | Trespassers |
| 1230 | 9P32 | Rainham (Kent) | Luton | +7 | Trespassers |
| 1247 | 9P33 | Luton | Rainham (Kent) | +7 | Speed restriction |
| 1447 | 9P41 | Luton | Rainham (Kent) | +7 | Trespassers |
| 1452 | 9O51 | St Albans City | Sutton (Surrey) | +7 | Trespassers |
| 1700 | 9P50 | Rainham (Kent) | Luton | +7 | Trespassers |
| 1846 | 9V62 | Sutton (Surrey) | St Albans City | +7 | Trespassers |
| 1516 | 9V48 | Sutton (Surrey) | St Albans City | +6 | Trespassers |
| 1611 | 9K45 | Kentish Town | Orpington | +6 | Trespassers |
| 1619 | 9O52 | Sutton (Surrey) | St Albans City | +6 | Trespassers |
| 1647 | 9P49 | Luton | Rainham (Kent) | +6 | Trespassers |
| 1707 | 9V61 | St Albans City | Sutton (Surrey) | +6 | Trespassers |
| 1807 | 9V65 | St Albans City | Sutton (Surrey) | +6 | Trespassers |
Showing all 61. Show the worst 50
Cancelled reported by TRUST
| Departs | Headcode | From | To | Booked arrival | Why |
|---|---|---|---|---|---|
| 0140 | 9N04 | Three Bridges | Bedford | 0401 | Passenger taken ill on train |
| 0752 | 9Y84 | Sevenoaks | Welwyn Garden City | 0950 | Vandalism or theft |
Part cancelled ran for only part of the journey
| Departs | Headcode | From | To | Arrived |
|---|---|---|---|---|
| 0544 | 9S02 | Brighton | Cambridge | 0814 |
| 0630 | 9P08 | Rainham (Kent) | Luton | 0904 |
| 0656 | 9T82 | Brighton | Bedford | 0925 |
| 0709 | 9S08 | Brighton | Cambridge | 0943 |
| 0713 | 9T81 | Bedford | Three Bridges | no report |
| 0733 | 9R89 | Bedford | Three Bridges | no report |
| 0739 | 9S10 | Brighton | Cambridge | 1015 |
| 0816 | 9T17 | Bedford | Brighton | 1046 |
| 1022 | 9T89 | London Bridge | Three Bridges | no report |
| 1121 | 9S27 | Cambridge | Brighton | no report |
| 1258 | 9T30 | Brighton | Bedford | 1558 |
| 1326 | 9R36 | Three Bridges | Bedford | 1604 |
| 1346 | 9T39 | Bedford | Brighton | 1631 |
| 1402 | 9R33 | Bedford | Three Bridges | no report |
| 1414 | 9S36 | Brighton | Cambridge | 1654 |
| 1417 | 9P39 | Luton | Rainham (Kent) | 1657 |
| 1422 | 9O49 | St Albans City | Sutton (Surrey) | no report |
| 1437 | 9V51 | St Albans City | Sutton (Surrey) | 1617 |
| 1507 | 9V53 | St Albans City | Sutton (Surrey) | 1703 |
| 1522 | 9O53 | St Albans City | Sutton (Surrey) | no report |
| 1537 | 9V55 | St Albans City | Sutton (Surrey) | no report |
| 1546 | 9T47 | Bedford | Brighton | 1817 |
| 1549 | 9O50 | Sutton (Surrey) | St Albans City | 1727 |
| 1552 | 9O55 | St Albans City | Sutton (Surrey) | 1727 |
| 1556 | 9R46 | Three Bridges | Bedford | 1807 |
| 1559 | 9L91 | Bedford | East Grinstead | 1821 |
| 1622 | 9O57 | St Albans City | Sutton (Surrey) | 1758 |
| 1626 | 9R92 | Three Bridges | Bedford | 1828 |
| 1646 | 9V54 | Sutton (Surrey) | St Albans City | 1826 |
| 1649 | 9O54 | Sutton (Surrey) | St Albans City | 1834 |
| 1651 | 9S49 | Cambridge | Brighton | 1926 |
| 1716 | 9V56 | Sutton (Surrey) | St Albans City | 1849 |
| 1719 | 9O56 | Sutton (Surrey) | St Albans City | 1859 |
| 1721 | 9S51 | Cambridge | Brighton | 2010 |
| 1723 | 9T46 | Gatwick Airport | Bedford | 1923 |
| 1732 | 9R47 | Bedford | Three Bridges | 1955 |
| 1746 | 9V58 | Sutton (Surrey) | St Albans City | 1922 |
| 1749 | 9O58 | Sutton (Surrey) | St Albans City | 1930 |
| 1816 | 9V60 | Sutton (Surrey) | St Albans City | 1947 |
| 1818 | 9L24 | East Grinstead | Bedford | 2037 |
| 1819 | 9O60 | Sutton (Surrey) | St Albans City | 2006 |
| 1822 | 9O65 | St Albans City | Sutton (Surrey) | 1953 |
| 1830 | 9P56 | Rainham (Kent) | Kentish Town | 2022 |
| 1837 | 9V67 | St Albans City | Sutton (Surrey) | 2015 |
| 1850 | 9S57 | Cambridge | Brighton | 2118 |
| 1852 | 9O67 | St Albans City | Sutton (Surrey) | 2015 |
| 1922 | 9O69 | St Albans City | Sutton (Surrey) | 2046 |
| 2007 | 9V73 | St Albans City | Sutton (Surrey) | 2144 |