South Western Railway 871B77
View line South Western Railway
Alerts for train 871B77
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
52%
13/25 runs under 3 min
RT coverage: 25 full · 0 partial · 0 no data
On-time · 90 days
59%
48/82 runs under 3 min
RT coverage: 82 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: +2 min
P90
+17min
9 in 10 runs arrive with less than this
30 days: +26 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
- Fri 9 Oct Max en route +84 min · last fix heading to St Denys +73 min
- Sat 1 Aug Max en route +68 min · last fix heading to 86513 +66 min
- Thu 17 Sept Max en route +65 min · last fix heading to Basingstoke +65 min
- Sat 24 Oct Max en route +59 min · last fix heading to Southampton Airport Parkway +59 min
- Sat 17 Oct Max en route +29 min · last fix heading to Poole +28 min
Distribution · 90 days
82 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 4% · 3
- On time 55% · 45
- 3–10 min 23% · 19
- 10–30 min 13% · 11
- 30+ min 5% · 4
On-time by weekday
- 69% M n=13
- 77% T n=13
- 62% W n=13
- 64% T n=11
- 42% F n=12
- 38% S n=13
- 57% S n=7
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Wed 28 Oct | St Denys 00:50 | +4 min | +9 min |
| Tue 27 Oct | St Denys 00:45 | 0 min | +1 min |
| Mon 26 Oct | St Denys 00:46 | +1 min | +1 min |
| Sun 25 Oct | — 05:05 | +24 min | +24 min |
| Sat 24 Oct | Southampton Airport Parkway 01:40 | +59 min | +59 min |
| Fri 23 Oct | St Denys 01:00 | +15 min | +32 min |
| Wed 21 Oct | St Denys 00:45 | 0 min | +2 min |
| Tue 20 Oct | St Denys 00:45 | 0 min | — |
| Mon 19 Oct | St Denys 00:47 | +1 min | +5 min |
| Sat 17 Oct | Poole 02:10 | +28 min | +29 min |
| Fri 16 Oct | St Denys 00:50 | +5 min | +5 min |
| Thu 15 Oct | St Denys 00:47 | +2 min | +4 min |
| Wed 14 Oct | St Denys 00:43 | −2 min | +1 min |
| Tue 13 Oct | St Denys 00:47 | +2 min | +3 min |
| Mon 12 Oct | St Denys 00:47 | +2 min | +6 min |
| Sat 10 Oct | St Denys 00:47 | +3 min | +75 min |
| Fri 9 Oct | St Denys 01:58 | +73 min | +84 min |
| Thu 8 Oct | Basingstoke 00:19 | 0 min | +1 min |
| Wed 7 Oct | Basingstoke 00:24 | +5 min | +5 min |
| Tue 6 Oct | Basingstoke 00:25 | +6 min | +7 min |
| Mon 5 Oct | Basingstoke 00:19 | +1 min | +1 min |
| Sat 3 Oct | 86513 00:52 | +8 min | +10 min |
| Fri 2 Oct | 86513 00:46 | +1 min | +2 min |
| Thu 1 Oct | 86513 00:45 | 0 min | +3 min |
| Wed 30 Sept | 86513 00:53 | +8 min | +9 min |
| Tue 29 Sept | 86513 00:44 | −1 min | — |
| Mon 28 Sept | 86513 00:45 | −1 min | +1 min |
| Sat 26 Sept | 86513 00:43 | −1 min | +2 min |
| Fri 25 Sept | 86513 00:47 | +2 min | +5 min |
| Thu 24 Sept | 86513 00:46 | +1 min | +2 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.