1223 Cambridge to Brighton
Departing on 4th December 2025

operated by
Thameslink
12 coaches
Planned
Realtime
Location
Pl
Arr
Dep
Arr
Dep
Dly
1
1223
1226
+3
1
1237
1238
1240
1241
+3
1
1242
1242
1245
1246
+4
1
1247
1247
1250
1251
+4
1
1250
1250
1253
1254
+4
1
1255
1255
1258
1259
+4
1
1300
1301
1303
1308
+7
2
1321
1322
1338
1340
+18
A
1329
1330
1352
1354
+24
3
1334
1334
1403
1408
+34
2
1336
1336
1413
1415
+39
1
1338
1339
1417
1418
+39
4
1344
1345
1422
1423
+38
3
1358
1359
1436
1437
+38
7
1414
1415
1451
1453
+38
5
1419
1420
1457
1458
+38
2
1429
1430
1508
1509
+39
2
1435
1436
1515
1516
+40
4
1448
1529
+41