Operators → Thameslink → 18th September 2026
Late worst first, more than 5 mins late (10 for long distance)
| Departs | Headcode | From | To | Late by | Why |
|---|---|---|---|---|---|
| 2214 | 9R69 | Bedford | Brighton | +54 | Police dealing with an incident |
| 2244 | 9W17 | Bedford | Brighton | +43 | Trespassers |
| 1637 | 9V59 | St Albans City | Sutton (Surrey) | +25 | Fault on a train |
| 1616 | 9T49 | Bedford | Brighton | +22 | Fault on a train |
| 0837 | 9V27 | St Albans City | Sutton (Surrey) | +20 | Defective track |
| 1724 | 9J56 | Horsham | Peterborough | +20 | Failure of the electricity supply |
| 2158 | 9T66 | Brighton | Bedford | +19 | Speed restriction |
| 0516 | 9T05 | Bedford | Brighton | +18 | Train crew being delayed |
| 0721 | 9S11 | Cambridge | Brighton | +18 | Operational incident |
| 1551 | 9S45 | Cambridge | Brighton | +18 | Fault on a train |
| 2254 | 1P73 | Peterborough | London King's Cross | +18 | Problem currently under investigation |
| 0639 | 9S06 | Brighton | Cambridge | +17 | Congestion |
| 2159 | 9R63 | Luton | Three Bridges | +17 | Train ahead late |
| 1251 | 9S33 | Cambridge | Brighton | +15 | Operational incident |
| 1623 | 9J49 | Peterborough | Horsham | +15 | Speed restriction |
| 1848 | 9L66 | East Grinstead | West Hampstead Thameslink | +15 | Fault on a train |
| 2114 | 9S64 | Brighton | Cambridge | +15 | Speed restriction |
| 1021 | 9S23 | Cambridge | Brighton | +14 | Emergency services dealing with an incident |
| 1821 | 9S55 | Cambridge | Brighton | +14 | Speed restriction |
| 1952 | 9O71 | St Albans City | Sutton (Surrey) | +14 | Earlier train fault |
| 2306 | 9W19 | Bedford | Three Bridges | +14 | Police dealing with an incident |
| 1452 | 9Y38 | Sevenoaks | London Blackfriars | +13 | Speed restriction |
| 1629 | 9L93 | Bedford | East Grinstead | +13 | Fault on a train |
| 1819 | 9O60 | Sutton (Surrey) | St Albans City | +13 | Fault on a train |
| 1856 | 9R58 | Three Bridges | Luton | +13 | Earlier train fault |
| 0314 | 9W13 | Bedford | Brighton | +12 | Problem currently under investigation |
| 0414 | 9W14 | Three Bridges | Bedford | +12 | Congestion |
| 0800 | 9Y15 | Welwyn Garden City | Sevenoaks | +12 | Speed restriction |
| 0809 | 9S12 | Brighton | Cambridge | +12 | Operational incident |
| 1544 | 9S42 | Brighton | Cambridge | +12 | Speed restriction |
| 1632 | 9R43 | Bedford | Three Bridges | +12 | Earlier train fault |
| 1644 | 9S46 | Brighton | Cambridge | +12 | Speed restriction |
| 1654 | 9J54 | Horsham | Peterborough | +12 | Failure of the electricity supply |
| 1918 | 9L94 | East Grinstead | London Bridge | +12 | Problem currently under investigation |
| 1346 | 9T39 | Bedford | Brighton | +11 | Speed restriction |
| 1453 | 9J43 | Peterborough | Horsham | +11 | Speed restriction |
| 1855 | 9J62 | Horsham | Peterborough | +11 | Speed restriction |
| 1928 | 9T56 | Brighton | Bedford | +11 | Speed restriction |
| 2022 | 9J81 | London Bridge | Horsham | +11 | Speed restriction |
| 2214 | 9S68 | Brighton | Cambridge | +11 | Speed restriction |
| 2122 | 9Y64 | Sevenoaks | London Blackfriars | +10 | Problem currently under investigation |
| 2248 | 9V94 | Sutton (Surrey) | Bedford | +10 | Speed restriction |
| 1717 | 9P51 | Luton | Rainham (Kent) | +9 | Speed restriction |
| 2322 | 9Y72 | Sevenoaks | London Blackfriars | +9 | Train ahead late |
| 1647 | 9P49 | Luton | Rainham (Kent) | +8 | Earlier train fault |
| 0717 | 9P11 | Luton | Rainham (Kent) | +7 | Defective track |
| 0731 | 9K13 | Luton | Elephant & Castle | +7 | Congestion |
| 1652 | 9O59 | St Albans City | Sutton (Surrey) | +7 | Fault on a train |
| 1522 | 9Y88 | Sevenoaks | Welwyn Garden City | +6 | Problem currently under investigation |
| 1611 | 9K45 | Kentish Town | Orpington | +6 | Problem currently under investigation |
| 1616 | 9V52 | Sutton (Surrey) | St Albans City | +6 | Problem currently under investigation |
| 1649 | 9O54 | Sutton (Surrey) | St Albans City | +6 | Speed restriction |
| 1846 | 9V62 | Sutton (Surrey) | St Albans City | +6 | Earlier train fault |
| 2107 | 9V77 | St Albans City | Sutton (Surrey) | +6 | Fault on a train |
Showing all 54. Show the worst 50
Cancelled reported by TRUST
| Departs | Headcode | From | To | Booked arrival | Why |
|---|---|---|---|---|---|
| 0140 | 9W04 | Three Bridges | Bedford | 0401 | Train-crew rostering problem |
| 0214 | 9W09 | Bedford | Three Bridges | 0436 | Train-crew rostering problem |
| 0240 | 9W08 | Three Bridges | Bedford | 0501 | Train-crew rostering problem |
| 0514 | 9R02 | Three Bridges | Bedford | 0720 | Train-crew rostering problem |
| 0521 | 9P99 | West Hampstead Thameslink | Rainham (Kent) | 0717 | Driver |
| 0543 | 9L81 | Bedford | East Grinstead | 0731 | Train-crew rostering problem |
| 0556 | 9K07 | Luton | Orpington | 0745 | Train-crew rostering problem |
| 0637 | 9R10 | Horsham | Bedford | 0909 | Depot operating problem |
| 0651 | 9S09 | Cambridge | Brighton | 0918 | Safety incidents and mishaps in off Network Rail network freight yard or terminal |
| 0654 | 9J14 | Horsham | Peterborough | 0936 | Depot operating problem |
| 0710 | 9R12 | Haywards Heath | Bedford | 0939 | Driver |
| 0722 | 9O21 | St Albans City | Sutton (Surrey) | 0847 | Other technical failures above the Solebar |
| 0730 | 9P78 | Rainham (Kent) | West Hampstead Thameslink | 0921 | Train-crew rostering problem |
| 0730 | 9R07 | Bedford | Three Bridges | 0940 | Train cancelled or delayed at Train Operator's request |
| 0730 | 9Y13 | Welwyn Garden City | Sevenoaks | 0925 | Overhead line/3rd rail defect |
| 0733 | 9R89 | Bedford | Three Bridges | 0928 | Train-crew rostering problem |
| 0800 | 9K14 | Orpington | Luton | 0950 | Train-crew rostering problem |
| 0932 | 9R15 | Bedford | Three Bridges | 1140 | Track circuit failure (including no fault found) |
| 0952 | 9Y18 | Sevenoaks | London Blackfriars | 1059 | Overhead line/3rd rail defect |
| 0954 | 9J23 | Peterborough | Horsham | 1240 | Depot operating problem |
| 1125 | 9J32 | Horsham | Peterborough | 1408 | Driver |
| 1423 | 9J41 | Peterborough | Horsham | 1710 | Overhead line/3rd rail defect |
| 2046 | 9T67 | Bedford | Brighton | 2313 | Train-crew rostering problem |
| 2318 | 1P75 | Peterborough | London King's Cross | 0050 | Overhead line/3rd rail defect |
| 2323 | 9W18 | Brighton | Bedford | 0216 | Driver |
Part cancelled ran for only part of the journey
| Departs | Headcode | From | To | Arrived |
|---|---|---|---|---|
| 0342 | 9W15 | Bedford | Brighton | 0643 |
| 0458 | 9W11 | Gatwick Airport | Brighton | 0532 |
| 0520 | 9V15 | Luton | Sutton (Surrey) | no report |
| 0531 | 1C02 | London King's Cross | Cambridge | no report |
| 0616 | 9T09 | Bedford | Brighton | 0849 |
| 0653 | 9J11 | Peterborough | Horsham | 0946 |
| 0716 | 9V16 | Sutton (Surrey) | St Albans City | 0843 |
| 0744 | 9L08 | East Grinstead | Bedford | 1004 |
| 0849 | 9O22 | Sutton (Surrey) | St Albans City | 1022 |
| 0851 | 9S17 | Cambridge | Brighton | 1132 |
| 0921 | 9S19 | Cambridge | Brighton | no report |
| 0944 | 9S18 | Brighton | Cambridge | no report |
| 1014 | 9S20 | Brighton | Cambridge | 1258 |
| 1016 | 9V28 | Sutton (Surrey) | St Albans City | 1149 |
| 1152 | 9O39 | St Albans City | Sutton (Surrey) | 1316 |
| 1214 | 9S28 | Brighton | Cambridge | 1439 |
| 1222 | 9S31 | Cambridge | Brighton | 1448 |
| 1258 | 9T30 | Brighton | Bedford | 1533 |
| 1353 | 9J39 | Peterborough | Horsham | 1654 |
| 1602 | 9R41 | Bedford | Three Bridges | no report |
| 1617 | 9P47 | Luton | Rainham (Kent) | 1856 |
| 1816 | 9V60 | Sutton (Surrey) | St Albans City | 1942 |
| 1826 | 9R56 | Three Bridges | Luton | 2015 |
| 2119 | 9O90 | Sutton (Surrey) | Bedford | 2345 |