1223 Cambridge to Brighton
Departing on 14th December 2025

operated by
Thameslink
12 coaches
Planned
Realtime
Location
Pl
Arr
Dep
Arr
Dep
Dly
7
1223
1223
1
1239
1239
1236
1239
1
1244
1244
1243
1244
1
1249
1249
1248
1249
1
1252
1252
1251
1252
1
1257
1257
1256
1257
1
1302
1303
1301
1303
2
1323
1326
1322
1326
3
1339
1339
1338
1339
1
1343
1344
1341
1343
-1
5
1411
1411
1409
1410
-1
7
1426
1427
1424
1426
-1
5
1431
1432
1430
1432
2
1441
1442
1440
1442
2
1447
1447
1446
1447
7
1459
1458
-1