Govia Thameslink Railway 872P20
View line Govia Thameslink Railway
Alerts for train 872P20
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 ยท 30 days
93%
26/28 runs under 3 min
RT coverage: 28 full ยท 0 partial ยท 0 no data
On-time ยท 90 days
98%
85/87 runs under 3 min
RT coverage: 87 full ยท 0 partial ยท 0 no data
Typical delay
โ1min
Median at arrival, 90 days
30 days: โ1 min
P90
0min
9 in 10 runs arrive with less than this
30 days: +1 min
Last 30 days
Delay at the end of each run, in minutes. One bar per run.
- On time (<3 min)
- 3โ10 min
- 10โ30 min
- 30+ min
- Partial coverage
- No data
Worst days
- Wed 23 Sept Max en route +24 min ยท last fix heading to Purley +22 min
- Sun 20 Sept Max en route +3 min ยท last fix heading to Purley +3 min
Distribution ยท 90 days
87 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 7% ยท 6
- On time 91% ยท 79
- 3โ10 min 1% ยท 1
- 10โ30 min 1% ยท 1
- 30+ min 0% ยท 0
On-time by weekday
- 100% M n=12
- 100% T n=13
- 92% W n=13
- 100% T n=13
- 100% F n=13
- 100% S n=13
- 90% S n=10
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sat 17 Oct | Purley 10:19 | 0 min | +1 min |
| Fri 16 Oct | Purley 10:19 | 0 min | โ |
| Thu 15 Oct | Purley 10:19 | โ1 min | โ |
| Wed 14 Oct | Reedham (Surrey) 10:19 | โ1 min | โ |
| Tue 13 Oct | Purley 10:19 | 0 min | +1 min |
| Mon 12 Oct | Reedham (Surrey) 10:19 | 0 min | +1 min |
| Sun 11 Oct | Reedham (Surrey) 17:46 | 0 min | +3 min |
| Sat 10 Oct | Purley 10:19 | 0 min | +2 min |
| Fri 9 Oct | Reedham (Surrey) 10:18 | โ1 min | โ |
| Thu 8 Oct | Purley 10:19 | โ1 min | +1 min |
| Wed 7 Oct | Reedham (Surrey) 10:19 | โ1 min | โ |
| Tue 6 Oct | Reedham (Surrey) 10:18 | โ1 min | โ |
| Mon 5 Oct | Purley 10:19 | 0 min | โ |
| Sun 4 Oct | Purley 17:44 | โ3 min | โ |
| Sat 3 Oct | Purley 10:19 | โ1 min | โ |
| Fri 2 Oct | Purley 10:19 | โ1 min | โ |
| Thu 1 Oct | Purley 10:19 | โ1 min | +1 min |
| Wed 30 Sept | Purley 10:20 | 0 min | +2 min |
| Tue 29 Sept | Purley 12:19 | +1 min | +1 min |
| Mon 28 Sept | Purley 10:19 | โ1 min | +1 min |
| Sat 26 Sept | Purley 10:22 | +2 min | +4 min |
| Fri 25 Sept | Purley 10:19 | โ1 min | +1 min |
| Thu 24 Sept | Purley 10:19 | โ1 min | +1 min |
| Wed 23 Sept | Purley 10:42 | +22 min | +24 min |
| Tue 22 Sept | Purley 10:19 | โ1 min | โ |
| Mon 21 Sept | Purley 10:19 | 0 min | +1 min |
| Sun 20 Sept | Purley 17:50 | +3 min | +3 min |
| Sat 19 Sept | Purley 10:19 | โ1 min | +1 min |
| Fri 18 Sept | Purley 10:19 | 0 min | โ |
| Thu 17 Sept | Purley 10:20 | 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.