South Western Railway 872Z37
View line South Western Railway
Alerts for train 872Z37
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line South Western Railway.
The mini-map returns when the train runs
On-time · 30 days
75%
6/8 runs under 3 min
RT coverage: 8 full · 0 partial · 0 no data
On-time · 90 days
75%
6/8 runs under 3 min
RT coverage: 8 full · 0 partial · 0 no data
Typical delay
+1min
Median at arrival, 90 days
30 days: +1 min
P90
+8min
9 in 10 runs arrive with less than this
30 days: +8 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 28 Sept Max en route +14 min · last fix heading to 87199 +13 min
- Sun 25 Oct Max en route +6 min · last fix heading to Portsmouth Harbour +6 min
Distribution · 90 days
8 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 13% · 1
- On time 63% · 5
- 3–10 min 13% · 1
- 10–30 min 13% · 1
- 30+ min 0% · 0
On-time by weekday
- 0% M n=1
- — T n=0
- — W n=0
- — T n=0
- — F n=0
- 100% S n=3
- 75% S n=4
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sun 25 Oct | Portsmouth Harbour 15:14 | +6 min | +6 min |
| Sat 24 Oct | Twickenham 13:56 | −2 min | — |
| Sun 11 Oct | Clapham Jn. C.S. 16:03 | +1 min | +2 min |
| Sat 10 Oct | Twickenham 12:55 | +1 min | +1 min |
| Sun 4 Oct | 87125 13:48 | 0 min | — |
| Sat 3 Oct | 87125 13:55 | 0 min | — |
| Mon 28 Sept | 87199 17:58 | +13 min | +14 min |
| Sun 27 Sept | 87125 13:49 | +1 min | +1 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.