Transport for Wales 321V20

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Running now · updated 20:25

Running now +3 min

Today it is running no worse than usual: typical arrival delay is +3 min; 50% of the last 6 runs arrived on time.

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On-time · 30 days
50%
3/6 runs under 3 min
RT coverage: 6 full · 0 partial · 0 no data
On-time · 90 days
33%
6/18 runs under 3 min
RT coverage: 18 full · 0 partial · 0 no data
Typical delay
+10min
Median at arrival, 90 days
30 days: +3 min
P90
+37min
9 in 10 runs arrive with less than this
30 days: +17 min

Last 30 days

Delay at the end of each run, in minutes. One bar per run.

  • On time (<3 min)
  • 3–10 min
  • 10–30 min
  • 30+ min
  • Partial coverage
  • No data

Worst days

  • Mon 31 Aug Max en route +45 min · last fix heading to — +45 min
  • Sun 30 Aug Max en route +46 min · last fix heading to 79303 +45 min
  • Mon 27 Jul Max en route +33 min · last fix heading to — +33 min
  • Mon 24 Aug Max en route +29 min · last fix heading to — +29 min
  • Sun 23 Aug Max en route +35 min · last fix heading to Johnston (Pembrokeshire) +29 min

Distribution · 90 days

18 runs with a known final delay. On time = under 3 min, the same cut the map uses.

  • Early 11% · 2
  • On time 22% · 4
  • 3–10 min 11% · 2
  • 10–30 min 39% · 7
  • 30+ min 17% · 3

On-time by weekday

  • 0% M n=3
  • — T n=0
  • 0% W n=2
  • — T n=0
  • — F n=0
  • — S n=0
  • 46% S n=13

Recent runs

DateLast stopFinalMax
Sun 18 OctPrees 20:24+1 min+4 min
Sun 11 OctBridgend 21:56−3 min+5 min
Wed 7 Oct— 10:12+5 min+5 min
Sun 4 Oct79303 22:50+10 min+12 min
Sun 27 Sept76400 22:26−3 min+10 min
Sun 20 Sept79303 22:53+23 min+25 min
Sun 13 SeptJohnston (Pembrokeshire) 23:500 min+4 min
Sun 6 SeptJohnston (Pembrokeshire) 00:00+10 min+10 min
Mon 31 Aug— 01:05+45 min+45 min
Sun 30 Aug79303 00:59+45 min+46 min
Mon 24 Aug— 01:00+29 min+29 min
Sun 23 AugJohnston (Pembrokeshire) 00:59+29 min+35 min
Sun 16 Aug80110 23:52+2 min+6 min
Sun 9 Aug80411 22:480 min+9 min
Sun 2 Aug80110 00:18+25 min+29 min
Mon 27 Jul— 01:33+33 min+33 min
Sun 26 JulJohnston (Pembrokeshire) 00:08+19 min+33 min
Wed 22 Jul— 10:31+4 min+4 min

Each run is closed into train_runs (country, train number, service day) from the live positions. Final delay = last delay seen. Partial coverage: the feed stopped before the final stop (last value used, hatched in the chart). No data: a run without any valid delay; counts as neither on time nor late. Data collected since 11 July 2026.