Govia Thameslink Railway 871C52
View line Govia Thameslink Railway
Alerts for train 871C52
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.
✓ Today’s run finished
Today, last fix heading to Portsmouth Harbour at 20:49 +18 min
The mini-map returns when the train runs
On-time · 30 days
27%
7/26 runs under 3 min
RT coverage: 26 full · 0 partial · 0 no data
On-time · 90 days
20%
13/64 runs under 3 min
RT coverage: 64 full · 0 partial · 0 no data
Typical delay
+8min
Median at arrival, 90 days
30 days: +8 min
P90
+26min
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
- Mon 3 Aug Max en route +73 min · last fix heading to Chichester +69 min
- Sat 22 Aug Max en route +63 min · last fix heading to Chichester +62 min
- Fri 7 Aug Max en route +40 min · last fix heading to Portsmouth Harbour +40 min
- Thu 20 Aug Max en route +35 min · last fix heading to Chichester +35 min
- Fri 16 Oct Max en route +34 min · last fix heading to Fishbourne +34 min
Distribution · 90 days
64 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 2% · 1
- On time 19% · 12
- 3–10 min 41% · 26
- 10–30 min 30% · 19
- 30+ min 9% · 6
On-time by weekday
- 17% M n=12
- 9% T n=11
- 18% W n=11
- 9% T n=11
- 22% F n=9
- 50% S n=10
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Thu 22 Oct | Portsmouth Harbour 20:49 | +18 min | +18 min |
| Wed 21 Oct | Portsmouth Harbour 20:42 | +11 min | +11 min |
| Tue 20 Oct | Portsmouth Harbour 20:49 | +18 min | +19 min |
| Mon 19 Oct | Portsmouth & Southsea 20:38 | +7 min | +7 min |
| Sat 17 Oct | Portsmouth Harbour 20:32 | +2 min | +7 min |
| Fri 16 Oct | Fishbourne 20:25 | +34 min | +34 min |
| Thu 15 Oct | Portsmouth & Southsea 20:38 | +8 min | +8 min |
| Wed 14 Oct | Portsmouth Harbour 20:37 | +7 min | +9 min |
| Tue 13 Oct | Portsmouth Harbour 20:37 | +5 min | +8 min |
| Mon 12 Oct | Portsmouth Harbour 20:40 | +9 min | +10 min |
| Sat 10 Oct | Portsmouth Harbour 20:32 | +2 min | +6 min |
| Fri 9 Oct | Portsmouth Harbour 20:40 | +9 min | +9 min |
| Thu 8 Oct | Portsmouth Harbour 20:32 | +2 min | +6 min |
| Wed 7 Oct | Portsmouth & Southsea 20:33 | +2 min | +5 min |
| Tue 6 Oct | Portsmouth Harbour 20:41 | +10 min | +10 min |
| Mon 5 Oct | Portsmouth Harbour 20:32 | +2 min | +3 min |
| Sat 3 Oct | Havant 20:12 | −2 min | +5 min |
| Fri 2 Oct | Portsmouth Harbour 20:35 | +4 min | +5 min |
| Thu 1 Oct | Portsmouth Harbour 20:39 | +8 min | +11 min |
| Wed 30 Sept | Portsmouth Harbour 20:40 | +9 min | +9 min |
| Tue 29 Sept | Portsmouth & Southsea 20:44 | +21 min | +22 min |
| Mon 28 Sept | Portsmouth & Southsea 20:35 | +12 min | +12 min |
| Sat 26 Sept | Portsmouth Harbour 20:33 | +4 min | +5 min |
| Fri 25 Sept | Portsmouth Harbour 20:34 | +2 min | +7 min |
| Thu 24 Sept | Portsmouth Harbour 20:42 | +11 min | +11 min |
| Wed 23 Sept | Portsmouth Harbour 20:41 | +10 min | +10 min |
| Tue 22 Sept | Portsmouth Harbour 20:37 | +6 min | +11 min |
| Mon 21 Sept | Portsmouth Harbour 20:39 | +8 min | +9 min |
| Fri 18 Sept | Portsmouth & Southsea 20:39 | +17 min | +17 min |
| Thu 17 Sept | Portsmouth Harbour 20:37 | +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.