South Western Railway 821L44
View line South Western Railway
Alerts for train 821L44
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
79%
22/28 runs under 3 min
RT coverage: 28 full · 0 partial · 0 no data
On-time · 90 days
81%
65/80 runs under 3 min
RT coverage: 80 full · 0 partial · 0 no data
Typical delay
0min
Median at arrival, 90 days
30 days: 0 min
P90
+4min
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 22 Oct Max en route +50 min · last fix heading to Sherborne +50 min
- Mon 26 Oct Max en route +37 min · last fix heading to Clapham Jn. C.S. +33 min
- Tue 22 Sept Max en route +35 min · last fix heading to 87286 +31 min
- Fri 2 Oct Max en route +25 min · last fix heading to 87286 +23 min
- Sat 29 Aug Max en route +18 min · last fix heading to 87286 +13 min
Distribution · 90 days
80 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 19% · 15
- On time 63% · 50
- 3–10 min 13% · 10
- 10–30 min 3% · 2
- 30+ min 4% · 3
On-time by weekday
- 75% M n=12
- 83% T n=12
- 83% W n=12
- 83% T n=12
- 91% F n=11
- 73% S n=11
- 80% S n=10
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 30 Oct | Clapham Jn. C.S. 14:57 | 0 min | +9 min |
| Thu 29 Oct | Wimbledon 15:02 | +4 min | +10 min |
| Wed 28 Oct | Clapham Jn. C.S. 15:02 | +5 min | +9 min |
| Tue 27 Oct | Clapham Jn. C.S. 14:58 | +1 min | +6 min |
| Mon 26 Oct | Clapham Jn. C.S. 15:30 | +33 min | +37 min |
| Sun 25 Oct | Wimbledon 15:02 | +1 min | +4 min |
| Sat 24 Oct | Clapham Jn. C.S. 14:56 | −1 min | +4 min |
| Thu 22 Oct | Sherborne 14:16 | +50 min | +50 min |
| Wed 21 Oct | Wimbledon 14:51 | −6 min | +6 min |
| Tue 20 Oct | Wimbledon 14:52 | −5 min | +9 min |
| Mon 19 Oct | Clapham Jn. C.S. 14:56 | −1 min | +5 min |
| Sat 17 Oct | Clapham Jn. C.S. 14:56 | −1 min | +9 min |
| Fri 16 Oct | Wimbledon 14:54 | −4 min | +2 min |
| Thu 15 Oct | Clapham Jn. C.S. 14:57 | 0 min | +6 min |
| Wed 14 Oct | Wimbledon 14:53 | −4 min | +12 min |
| Tue 13 Oct | Wimbledon 14:54 | −3 min | — |
| Mon 12 Oct | Clapham Jn. C.S. 14:54 | −3 min | +15 min |
| Sun 11 Oct | Gillingham (Dorset) 12:54 | 0 min | — |
| Sat 10 Oct | Gillingham (Dorset) 22:58 | 0 min | +1 min |
| Fri 9 Oct | Clapham Jn. C.S. 14:54 | −3 min | +4 min |
| Thu 8 Oct | Clapham Jn. C.S. 14:55 | −2 min | +3 min |
| Wed 7 Oct | Clapham Jn. C.S. 14:58 | +1 min | +4 min |
| Tue 6 Oct | Clapham Jn. C.S. 14:56 | −1 min | +10 min |
| Mon 5 Oct | Clapham Jn. C.S. 14:54 | −4 min | +8 min |
| Sun 4 Oct | 87286 15:04 | +3 min | +10 min |
| Sat 3 Oct | 87286 14:57 | 0 min | +4 min |
| Fri 2 Oct | 87286 15:20 | +23 min | +25 min |
| Thu 1 Oct | 87286 14:57 | 0 min | +3 min |
| Wed 30 Sept | 87286 14:57 | 0 min | +6 min |
| Tue 29 Sept | 87286 14:56 | −1 min | +3 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.