Govia Thameslink Railway 861S21
View line Govia Thameslink Railway
Alerts for train 861S21
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
88%
7/8 runs under 3 min
RT coverage: 8 full ยท 0 partial ยท 0 no data
On-time ยท 90 days
69%
18/26 runs under 3 min
RT coverage: 26 full ยท 0 partial ยท 0 no data
Typical delay
0min
Median at arrival, 90 days
30 days: โ1 min
P90
+11min
9 in 10 runs arrive with less than this
30 days: +5 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
- Sat 22 Aug Max en route +22 min ยท last fix heading to Brighton +22 min
- Sun 30 Aug Max en route +15 min ยท last fix heading to Brighton +13 min
- Sun 20 Sept Max en route +11 min ยท last fix heading to Brighton +11 min
- Sat 29 Aug Max en route +17 min ยท last fix heading to Brighton +11 min
- Sun 2 Aug Max en route +10 min ยท last fix heading to Brighton +9 min
Distribution ยท 90 days
26 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 35% ยท 9
- On time 35% ยท 9
- 3โ10 min 15% ยท 4
- 10โ30 min 15% ยท 4
- 30+ min 0% ยท 0
On-time by weekday
- 100% M n=1
- โ T n=0
- โ W n=0
- โ T n=0
- โ F n=0
- 69% S n=13
- 67% S n=12
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sun 11 Oct | Brighton 14:00 | โ1 min | +1 min |
| Sat 10 Oct | Brighton 17:24 | โ2 min | +2 min |
| Sun 4 Oct | Brighton 14:20 | 0 min | +2 min |
| Sat 3 Oct | Brighton 17:28 | +2 min | +4 min |
| Sat 26 Sept | Brighton 17:24 | โ2 min | +1 min |
| Sun 20 Sept | Brighton 14:11 | +11 min | +11 min |
| Sat 19 Sept | Brighton 17:25 | โ2 min | +14 min |
| Sun 13 Sept | Brighton 13:59 | โ1 min | +2 min |
| Sat 12 Sept | Brighton 17:25 | โ2 min | +5 min |
| Sun 6 Sept | Brighton 14:02 | +2 min | +3 min |
| Sat 5 Sept | Brighton 17:24 | โ2 min | +5 min |
| Mon 31 Aug | Brighton 17:25 | โ1 min | +2 min |
| Sun 30 Aug | Brighton 14:14 | +13 min | +15 min |
| Sat 29 Aug | Brighton 17:37 | +11 min | +17 min |
| Sun 23 Aug | Brighton 13:59 | โ2 min | โ |
| Sat 22 Aug | Brighton 21:58 | +22 min | +22 min |
| Sun 16 Aug | Brighton 14:05 | +5 min | +14 min |
| Sat 15 Aug | Brighton 17:24 | โ2 min | +6 min |
| Sun 9 Aug | Brighton 14:00 | โ1 min | โ |
| Sat 8 Aug | Brighton 17:24 | โ2 min | โ |
| Sun 2 Aug | Brighton 14:10 | +9 min | +10 min |
| Sat 1 Aug | Brighton 17:32 | +5 min | +6 min |
| Sun 26 Jul | Brighton 14:00 | 0 min | โ |
| Sat 25 Jul | Brighton 17:29 | +3 min | +7 min |
| Sun 19 Jul | Brighton 14:02 | +2 min | +5 min |
| Sat 18 Jul | Brighton 17:21 | โ2 min | โ |
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.