Govia Thameslink Railway 871N20
View line Govia Thameslink Railway
Alerts for train 871N20
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
59%
16/27 runs under 3 min
RT coverage: 27 full · 0 partial · 0 no data
On-time · 90 days
59%
51/87 runs under 3 min
RT coverage: 87 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: +2 min
P90
+15min
9 in 10 runs arrive with less than this
30 days: +18 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 23 Oct Max en route +29 min · last fix heading to Swanwick +29 min
- Thu 1 Oct Max en route +27 min · last fix heading to 86513 +27 min
- Thu 10 Sept Max en route +27 min · last fix heading to Swanwick +27 min
- Thu 22 Oct Max en route +24 min · last fix heading to St Denys +24 min
- Thu 24 Sept Max en route +24 min · last fix heading to 86513 +23 min
Distribution · 90 days
87 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 7% · 6
- On time 52% · 45
- 3–10 min 29% · 25
- 10–30 min 13% · 11
- 30+ min 0% · 0
On-time by weekday
- 58% M n=12
- 85% T n=13
- 38% W n=13
- 31% T n=13
- 46% F n=13
- 75% S n=12
- 82% S n=11
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 23 Oct | Swanwick 11:42 | +29 min | +29 min |
| Thu 22 Oct | St Denys 12:04 | +24 min | +24 min |
| Wed 21 Oct | St Denys 11:41 | +1 min | +3 min |
| Tue 20 Oct | St Denys 11:44 | +4 min | +5 min |
| Mon 19 Oct | St Denys 11:40 | 0 min | +1 min |
| Sun 18 Oct | Angmering 14:54 | −4 min | — |
| Sat 17 Oct | St Denys 11:44 | +3 min | +4 min |
| Fri 16 Oct | St Denys 11:41 | 0 min | +1 min |
| Thu 15 Oct | St Denys 11:50 | +9 min | +9 min |
| Wed 14 Oct | St Denys 11:47 | +7 min | +8 min |
| Tue 13 Oct | St Denys 11:39 | −1 min | +3 min |
| Mon 12 Oct | St Denys 11:39 | −1 min | +3 min |
| Sun 11 Oct | St Denys 16:01 | +1 min | +2 min |
| Sat 10 Oct | Ashford International 01:13 | +1 min | +1 min |
| Fri 9 Oct | St Denys 11:36 | 0 min | +2 min |
| Thu 8 Oct | Southbourne 10:55 | +14 min | +14 min |
| Wed 7 Oct | St Denys 11:46 | +6 min | +8 min |
| Tue 6 Oct | St Denys 11:42 | +2 min | +4 min |
| Mon 5 Oct | Sholing 11:39 | −1 min | +4 min |
| Sun 4 Oct | 86513 16:15 | +2 min | +2 min |
| Sat 3 Oct | 86513 11:45 | +3 min | +4 min |
| Fri 2 Oct | 86513 11:46 | +6 min | +10 min |
| Thu 1 Oct | 86513 12:07 | +27 min | +27 min |
| Wed 30 Sept | 86513 11:39 | −1 min | +3 min |
| Tue 29 Sept | 86513 11:42 | +2 min | +3 min |
| Mon 28 Sept | 86513 11:41 | +1 min | +2 min |
| Sat 26 Sept | 86513 11:43 | +2 min | +4 min |
| Fri 25 Sept | 86513 11:39 | −1 min | +3 min |
| Thu 24 Sept | 86513 12:03 | +23 min | +24 min |
| Wed 23 Sept | 86513 11:47 | +7 min | +7 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.