Govia Thameslink Railway 871W12
View line Govia Thameslink Railway
Alerts for train 871W12
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line Govia Thameslink Railway.
The mini-map returns when the train runs
On-time · 30 days
63%
15/24 runs under 3 min
RT coverage: 24 full · 0 partial · 0 no data
On-time · 90 days
58%
43/74 runs under 3 min
RT coverage: 74 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: 0 min
P90
+11min
9 in 10 runs arrive with less than this
30 days: +10 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
- Thu 3 Sept Max en route +29 min · last fix heading to 87972 +29 min
- Fri 25 Sept Max en route +27 min · last fix heading to Three Bridges +27 min
- Thu 13 Aug Max en route +22 min · last fix heading to Brighton +20 min
- Thu 20 Aug Max en route +17 min · last fix heading to Brighton +15 min
- Tue 29 Sept Max en route +16 min · last fix heading to Brighton +13 min
Distribution · 90 days
74 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 9% · 7
- On time 49% · 36
- 3–10 min 27% · 20
- 10–30 min 15% · 11
- 30+ min 0% · 0
On-time by weekday
- 58% M n=12
- 54% T n=13
- 62% W n=13
- 42% T n=12
- 42% F n=12
- 92% S n=12
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Wed 14 Oct | Brighton 07:37 | −1 min | — |
| Tue 13 Oct | Preston Park 19:19 | +6 min | +8 min |
| Mon 12 Oct | Brighton 19:22 | +9 min | +11 min |
| Fri 9 Oct | Brighton 19:14 | +2 min | +4 min |
| Thu 8 Oct | Brighton 19:21 | +8 min | +10 min |
| Wed 7 Oct | Preston Park 19:23 | +11 min | +14 min |
| Tue 6 Oct | Brighton 19:10 | −2 min | +15 min |
| Mon 5 Oct | Brighton 19:12 | −1 min | +5 min |
| Sat 3 Oct | Brighton 07:35 | −1 min | +1 min |
| Fri 2 Oct | Brighton 19:11 | −1 min | +1 min |
| Thu 1 Oct | Brighton 19:22 | +8 min | +9 min |
| Wed 30 Sept | Brighton 19:10 | −2 min | +2 min |
| Tue 29 Sept | Brighton 19:26 | +13 min | +16 min |
| Sat 26 Sept | Brighton 07:35 | −1 min | — |
| Fri 25 Sept | Three Bridges 19:04 | +27 min | +27 min |
| Thu 24 Sept | Brighton 19:11 | −1 min | +2 min |
| Wed 23 Sept | Brighton 19:17 | +5 min | +8 min |
| Tue 22 Sept | Brighton 19:11 | −1 min | +3 min |
| Mon 21 Sept | Brighton 19:13 | +1 min | +3 min |
| Sat 19 Sept | Brighton 07:37 | −1 min | +2 min |
| Fri 18 Sept | Brighton 19:19 | +7 min | +9 min |
| Thu 17 Sept | Brighton 07:37 | −1 min | +1 min |
| Wed 16 Sept | Brighton 19:12 | 0 min | +5 min |
| Tue 15 Sept | Brighton 19:11 | −1 min | +2 min |
| Mon 14 Sept | Brighton 19:11 | −2 min | +1 min |
| Sat 12 Sept | Brighton 07:35 | −1 min | +1 min |
| Fri 11 Sept | Brighton 19:16 | +3 min | +6 min |
| Thu 10 Sept | Brighton 07:37 | −1 min | +2 min |
| Wed 9 Sept | Brighton 19:15 | +2 min | +5 min |
| Tue 8 Sept | Brighton 19:20 | +7 min | +11 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.