Transport for Wales 781A12
View line Transport for Wales
Alerts for train 781A12
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line Transport for Wales.
The mini-map returns when the train runs
On-time · 30 days
89%
16/18 runs under 3 min
RT coverage: 18 full · 0 partial · 0 no data
On-time · 90 days
87%
60/69 runs under 3 min
RT coverage: 69 full · 0 partial · 0 no data
Typical delay
−1min
Median at arrival, 90 days
30 days: 0 min
P90
+3min
9 in 10 runs arrive with less than this
30 days: +3 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
- Wed 23 Sept Max en route +34 min · last fix heading to Mountain Ash +33 min
- Tue 8 Sept Max en route +19 min · last fix heading to Pontypridd +10 min
- Wed 14 Oct Max en route +6 min · last fix heading to Mountain Ash +6 min
- Mon 19 Oct Max en route +7 min · last fix heading to Fernhill +5 min
- Thu 3 Sept Max en route +6 min · last fix heading to 78102 +4 min
Distribution · 90 days
69 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 22% · 15
- On time 65% · 45
- 3–10 min 10% · 7
- 10–30 min 1% · 1
- 30+ min 1% · 1
On-time by weekday
- 92% M n=12
- 82% T n=11
- 67% W n=12
- 82% T n=11
- 100% F n=11
- 100% S n=12
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Wed 4 Nov | Fernhill 09:44 | 0 min | +2 min |
| Tue 3 Nov | Fernhill 09:44 | +1 min | +2 min |
| Mon 2 Nov | Fernhill 09:49 | +2 min | +5 min |
| Sat 31 Oct | Mountain Ash 09:53 | −2 min | +6 min |
| Fri 23 Oct | Mountain Ash 09:54 | −1 min | +3 min |
| Thu 22 Oct | Fernhill 09:55 | 0 min | +5 min |
| Wed 21 Oct | Mountain Ash 09:53 | −2 min | +4 min |
| Mon 19 Oct | Fernhill 13:30 | +5 min | +7 min |
| Sat 17 Oct | Mountain Ash 09:53 | −2 min | +1 min |
| Fri 16 Oct | Fernhill 09:54 | −2 min | +1 min |
| Thu 15 Oct | Mountain Ash 11:36 | +1 min | +1 min |
| Wed 14 Oct | Mountain Ash 16:29 | +6 min | +6 min |
| Tue 13 Oct | Mountain Ash 09:53 | −2 min | +2 min |
| Mon 12 Oct | Mountain Ash 09:55 | 0 min | +1 min |
| Sat 10 Oct | Mountain Ash 09:54 | −1 min | +1 min |
| Fri 9 Oct | Fernhill 09:54 | 0 min | +1 min |
| Thu 8 Oct | Mountain Ash 09:55 | −1 min | +2 min |
| Wed 7 Oct | Fernhill 09:55 | 0 min | +4 min |
| Tue 6 Oct | Fernhill 09:56 | +1 min | +5 min |
| Mon 5 Oct | 78102 09:54 | −1 min | +3 min |
| Sat 3 Oct | 78102 09:54 | −1 min | +3 min |
| Fri 2 Oct | 78102 09:55 | 0 min | +2 min |
| Thu 1 Oct | 78102 09:53 | −2 min | +2 min |
| Wed 30 Sept | 78102 09:53 | −2 min | +3 min |
| Tue 29 Sept | 78102 09:54 | −1 min | +2 min |
| Mon 28 Sept | 78102 09:55 | 0 min | +3 min |
| Sat 26 Sept | 78102 09:54 | −1 min | — |
| Fri 25 Sept | 78102 09:54 | −1 min | +1 min |
| Thu 24 Sept | 78102 09:55 | −1 min | +2 min |
| Wed 23 Sept | Mountain Ash 10:08 | +33 min | +34 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.