1B15 1246 London Paddington to Carmarthen
Departing on 27th December 2025

operated by
Great Western Railway
GBTT
WTT
RTTRealtime
Route
Location
Pl
Arr
Dep
Arr
Dep
Arr
Dep
Dly
Path
Line
pass
1247
pass
1247
2
pass
1248
pass
1248
2
pass
1249
pass
1249
2
ML
pass
1249½
pass
1249
pass
1250
pass
1250
pass
1250½
pass
1250
pass
1251
pass
1250
pass
1251½
pass
1251
ML
ML
pass
1252
pass
1251
pass
1252½
pass
1252
pass
1252½
pass
1252
pass
1252½
pass
1252
pass
1253½
pass
1253
1
pass
1253½
pass
1253
ML
pass
1254½
pass
1253
pass
1255
pass
1254
pass
1255½
pass
1255
ML
pass
1256
pass
1255
pass
1256½
pass
1255
pass
1256½
pass
1256
pass
1256½
pass
1256
pass
1257
pass
1256
pass
1258
pass
1257
pass
1258½
pass
1258
2
pass
1259
pass
1258
ML
pass
1259½
pass
1258
pass
1300½
pass
1259
pass
1301
pass
1300
pass
1301½
pass
1301
1
pass
1302
pass
1301
ML
pass
1305
pass
1304
1
pass
1305½
pass
1305
ML
pass
1306
pass
1305
pass
1308½
pass
1308
DML
pass
1309
pass
1308
8
1310
1313
1310
1313
1309
1313
ML
pass
1313½
pass
1313
pass
1314
pass
1314
ML
pass
1315
pass
1315
pass
1315
pass
1315
pass
1317
pass
1317
pass
1319
pass
1319
ML
pass
1321
pass
1321
pass
1323
pass
1322
pass
1324
pass
1323
1
pass
1324
pass
1323
pass
1324
pass
1323
pass
1324½
pass
1324
pass
1325
pass
1325
pass
1326
pass
1325
pass
1328
pass
1327
pass
1330
pass
1329
pass
1331
pass
1330
pass
1334½
pass
1334
pass
1336
pass
1335
pass
1336½
pass
1336
pass
1337
pass
1336
pass
1337
pass
1336
4
1338
1340
1338
1340
1337
1340
pass
1341½
pass
1341
pass
1344½
pass
1344
pass
1348½
pass
1348
pass
1351
pass
1351
pass
1354½
pass
1354
pass
1357½
pass
1357
pass
1359
pass
1359
2
1403
1404
1403
1404½
1403
1404
2
pass
1406½
pass
1406
2
pass
1409
pass
1408
pass
1410
pass
1409
pass
1413½
pass
1413
3
pass
1414½
pass
1414
ML
pass
1416
pass
1415
pass
1419½
pass
1419
pass
1420
pass
1419
pass
1421
pass
1420
ML
pass
1421½
pass
1421
Newport (South Wales) [NWP]
Pathed as Class 80x on diesel from here
2
1423
1424
1422½
1424½
1422
1424
DM
pass
1426
pass
1425
ML
pass
1427
pass
1426
pass
1433½
pass
1432
pass
1437
pass
1435
pass
1437½
pass
1436
pass
1438
pass
1436
pass
1438½
pass
1437
E
pass
1440
pass
1439
4
1441
1446
1441
1446
1439
1446
pass
1447½
pass
1447
pass
1448
pass
1448
pass
1449
pass
1449
1
pass
1450
pass
1450
pass
1450
pass
1450
pass
1450½
pass
1450
pass
1451
pass
1451
pass
1453½
pass
1453
pass
1457½
pass
1457
pass
1459½
pass
1459
pass
1500
pass
1459
pass
1501½
pass
1501
pass
1503½
pass
1503
pass
1506
pass
1505
1
1507
1508
1507
1508½
1507
1508
pass
1513
pass
1512
pass
1514
pass
1513
pass
1515½
pass
1515
pass
1516½
pass
1516
pass
1517
pass
1516
pass
1518
pass
1517
1
1519
1520
1519
1520½
1518
1520
pass
1522½
pass
1522
pass
1523½
pass
1522
pass
1524½
pass
1523
pass
1524½
pass
1524
1527
1528
1526½
1528
1526
1528
pass
1531
pass
1530
pass
1533½
pass
1533
pass
1536½
pass
1536
pass
1537½
pass
1537
Swansea [SWA]
Pathed as Class 80x on diesel from here
Service divides here, reverses here
3
1539
1547
1539
1547
1538
1547
pass
1548½
pass
1548
pass
1550½
pass
1550
pass
1554
pass
1554
pass
1556½
pass
1556
pass
1559½
pass
1559
pass
1600
pass
1600
DPL
1603
1604
1602½
1604
1602
1604
1610
1611
1609½
1611
1609
1611
pass
1616
pass
1616
2
pass
1616½
pass
1616
pass
1618
pass
1618
pass
1620½
pass
1620
pass
1629½
pass
1629
2
1631
1631
1630