Govia Thameslink Railway 871L15
View line Govia Thameslink Railway
Alerts for train 871L15
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
56%
14/25 runs under 3 min
RT coverage: 25 full · 0 partial · 0 no data
On-time · 90 days
64%
49/77 runs under 3 min
RT coverage: 77 full · 0 partial · 0 no data
Typical delay
+1min
Median at arrival, 90 days
30 days: +1 min
P90
+6min
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
- Fri 25 Sept Max en route +21 min · last fix heading to 87230 +21 min
- Wed 23 Sept Max en route +26 min · last fix heading to 87230 +21 min
- Sat 15 Aug Max en route +18 min · last fix heading to 86162 +16 min
- Fri 16 Oct Max en route +11 min · last fix heading to Clapham Jn. C.S. +8 min
- Tue 4 Aug Max en route +8 min · last fix heading to 87230 +8 min
Distribution · 90 days
77 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 8% · 6
- On time 56% · 43
- 3–10 min 32% · 25
- 10–30 min 4% · 3
- 30+ min 0% · 0
On-time by weekday
- 83% M n=12
- 54% T n=13
- 92% W n=13
- 58% T n=12
- 54% F n=13
- 46% S n=13
- 0% S n=1
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Wed 21 Oct | Clapham Jn. C.S. 09:42 | 0 min | +2 min |
| Tue 20 Oct | Clapham Jn. C.S. 09:41 | −1 min | +2 min |
| Mon 19 Oct | Clapham Jn. C.S. 09:43 | 0 min | +3 min |
| Sat 17 Oct | Grateley 09:43 | +3 min | +3 min |
| Fri 16 Oct | Clapham Jn. C.S. 09:51 | +8 min | +11 min |
| Thu 15 Oct | Clapham Jn. C.S. 09:46 | +4 min | +5 min |
| Wed 14 Oct | Clapham Jn. C.S. 09:41 | 0 min | +2 min |
| Tue 13 Oct | East Croydon 09:49 | +7 min | +8 min |
| Mon 12 Oct | South Croydon 09:46 | +4 min | +4 min |
| Sat 10 Oct | East Croydon 09:48 | +7 min | +9 min |
| Fri 9 Oct | Clapham Jn. C.S. 09:41 | −1 min | +2 min |
| Thu 8 Oct | Clapham Jn. C.S. 09:48 | +6 min | +6 min |
| Wed 7 Oct | Clapham Jn. C.S. 09:42 | 0 min | +2 min |
| Tue 6 Oct | Clapham Jn. C.S. 09:42 | 0 min | +2 min |
| Mon 5 Oct | 87230 09:43 | +1 min | +3 min |
| Sat 3 Oct | 87230 09:40 | −1 min | +2 min |
| Fri 2 Oct | 87230 09:43 | +1 min | +2 min |
| Thu 1 Oct | 87230 09:43 | +1 min | +4 min |
| Wed 30 Sept | 87230 09:41 | −1 min | +2 min |
| Tue 29 Sept | 87230 09:46 | +4 min | +5 min |
| Sat 26 Sept | 87230 09:44 | +4 min | +5 min |
| Fri 25 Sept | 87230 13:21 | +21 min | +21 min |
| Thu 24 Sept | 87230 09:43 | 0 min | +2 min |
| Wed 23 Sept | 87230 15:16 | +21 min | +26 min |
| Tue 22 Sept | 87230 09:43 | +1 min | +2 min |
| Mon 21 Sept | 87230 09:43 | +1 min | +2 min |
| Sat 19 Sept | 87230 09:41 | +1 min | +3 min |
| Fri 18 Sept | 87230 09:45 | +3 min | +5 min |
| Thu 17 Sept | 87230 09:45 | +2 min | +4 min |
| Wed 16 Sept | 87230 09:43 | +1 min | +4 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.