Govia Thameslink Railway 871L39
View line Govia Thameslink Railway
Alerts for train 871L39
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
66%
19/29 runs under 3 min
RT coverage: 29 full · 0 partial · 0 no data
On-time · 90 days
59%
52/88 runs under 3 min
RT coverage: 88 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: +2 min
P90
+11min
9 in 10 runs arrive with less than this
30 days: +6 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 20 Aug Max en route +111 min · last fix heading to Grateley +111 min
- Tue 11 Aug Max en route +27 min · last fix heading to 86162 +27 min
- Sat 22 Aug Max en route +20 min · last fix heading to 87230 +20 min
- Thu 13 Aug Max en route +17 min · last fix heading to 86162 +16 min
- Fri 21 Aug Max en route +16 min · last fix heading to 87230 +14 min
Distribution · 90 days
88 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 59% · 52
- 3–10 min 26% · 23
- 10–30 min 14% · 12
- 30+ min 1% · 1
On-time by weekday
- 50% M n=12
- 58% T n=12
- 62% W n=13
- 54% T n=13
- 67% F n=12
- 46% S n=13
- 77% S n=13
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sun 11 Oct | Clapham Jn. C.S. 15:49 | +1 min | +2 min |
| Sat 10 Oct | Clapham Jn. C.S. 15:41 | +1 min | +2 min |
| Fri 9 Oct | South Croydon 15:42 | +2 min | +4 min |
| Thu 8 Oct | East Croydon 15:41 | +1 min | +3 min |
| Wed 7 Oct | Clapham Jn. C.S. 15:40 | 0 min | +11 min |
| Tue 6 Oct | Grateley 15:30 | +2 min | +2 min |
| Mon 5 Oct | Grateley 15:23 | −1 min | +3 min |
| Sun 4 Oct | 87230 15:52 | +3 min | +4 min |
| Sat 3 Oct | 87230 15:42 | +2 min | +3 min |
| Fri 2 Oct | 87230 15:40 | 0 min | +3 min |
| Thu 1 Oct | 87230 15:42 | +2 min | +3 min |
| Wed 30 Sept | 87230 15:45 | +5 min | +6 min |
| Tue 29 Sept | 86162 15:30 | +2 min | +3 min |
| Mon 28 Sept | 86162 15:33 | +5 min | +5 min |
| Sun 27 Sept | 87700 15:29 | −1 min | +1 min |
| Sat 26 Sept | 87230 15:44 | +4 min | +4 min |
| Fri 25 Sept | 86162 15:40 | +12 min | +12 min |
| Thu 24 Sept | 87230 15:43 | +3 min | +4 min |
| Wed 23 Sept | 87230 15:40 | 0 min | +2 min |
| Tue 22 Sept | 86162 15:33 | +6 min | +6 min |
| Mon 21 Sept | 86162 15:32 | +4 min | +5 min |
| Sun 20 Sept | 87230 15:49 | +2 min | +2 min |
| Sat 19 Sept | 87230 15:40 | 0 min | +1 min |
| Fri 18 Sept | 87230 15:40 | 0 min | +6 min |
| Thu 17 Sept | 87230 15:42 | +1 min | +3 min |
| Wed 16 Sept | 87230 15:42 | +2 min | +3 min |
| Tue 15 Sept | 86162 15:36 | +8 min | +8 min |
| Mon 14 Sept | Grateley 15:36 | +8 min | +8 min |
| Sun 13 Sept | 87230 15:46 | −1 min | +1 min |
| Sat 12 Sept | 87230 15:47 | +6 min | +6 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.