Govia Thameslink Railway 871R17
View line Govia Thameslink Railway
Alerts for train 871R17
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
86%
25/29 runs under 3 min
RT coverage: 29 full · 0 partial · 0 no data
On-time · 90 days
81%
70/86 runs under 3 min
RT coverage: 86 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: +4 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
- Wed 23 Sept Max en route +22 min · last fix heading to 87230 +20 min
- Fri 16 Oct Max en route +10 min · last fix heading to East Croydon +10 min
- Wed 5 Aug Max en route +13 min · last fix heading to 87230 +10 min
- Tue 4 Aug Max en route +8 min · last fix heading to 87230 +8 min
- Sun 16 Aug Max en route +8 min · last fix heading to 87230 +7 min
Distribution · 90 days
86 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 20% · 17
- On time 62% · 53
- 3–10 min 15% · 13
- 10–30 min 3% · 3
- 30+ min 0% · 0
On-time by weekday
- 83% M n=12
- 75% T n=12
- 77% W n=13
- 92% T n=13
- 92% F n=13
- 92% S n=12
- 55% S n=11
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sat 31 Oct | Clapham Jn. C.S. 11:00 | +3 min | +6 min |
| Fri 30 Oct | Clapham Jn. C.S. 10:55 | −2 min | +1 min |
| Thu 29 Oct | Clapham Jn. C.S. 10:55 | −2 min | +1 min |
| Wed 28 Oct | Clapham Jn. C.S. 10:57 | −1 min | +2 min |
| Tue 27 Oct | South Croydon 10:58 | +1 min | +1 min |
| Mon 26 Oct | Clapham Jn. C.S. 11:03 | +6 min | +6 min |
| Sun 25 Oct | Clapham Jn. C.S. 10:58 | +1 min | +1 min |
| Sat 24 Oct | South Croydon 10:55 | −2 min | — |
| Fri 23 Oct | South Croydon 10:58 | +1 min | +3 min |
| Thu 22 Oct | Clapham Jn. C.S. 10:55 | −3 min | — |
| Wed 21 Oct | South Croydon 10:59 | +2 min | +5 min |
| Tue 20 Oct | South Croydon 10:54 | −3 min | — |
| Mon 19 Oct | Clapham Jn. C.S. 10:56 | −1 min | +2 min |
| Sun 18 Oct | Redhill 10:35 | 0 min | — |
| Sat 17 Oct | Redhill 10:16 | 0 min | +1 min |
| Fri 16 Oct | East Croydon 11:07 | +10 min | +10 min |
| Thu 15 Oct | South Croydon 10:59 | +2 min | +3 min |
| Wed 14 Oct | South Croydon 10:56 | 0 min | +2 min |
| Mon 12 Oct | Clapham Jn. C.S. 10:55 | −2 min | — |
| Sun 11 Oct | — 10:17 | 0 min | — |
| Sat 10 Oct | South Croydon 10:54 | −2 min | +1 min |
| Fri 9 Oct | Clapham Jn. C.S. 10:56 | −1 min | +2 min |
| Thu 8 Oct | Clapham Jn. C.S. 10:55 | −2 min | +1 min |
| Wed 7 Oct | Clapham Jn. C.S. 10:54 | −3 min | — |
| Tue 6 Oct | South Croydon 10:54 | −3 min | — |
| Mon 5 Oct | 87230 10:57 | +1 min | +1 min |
| Sun 4 Oct | Redhill 10:26 | +6 min | +6 min |
| Sat 3 Oct | 87230 10:58 | +1 min | +3 min |
| Fri 2 Oct | 87230 10:57 | 0 min | +2 min |
| Thu 1 Oct | 87230 10:57 | 0 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.