London Overground 879B12
View line London Overground
Alerts for train 879B12
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line London Overground.
The mini-map returns when the train runs
On-time · 30 days
59%
17/29 runs under 3 min
RT coverage: 29 full · 0 partial · 0 no data
On-time · 90 days
68%
58/85 runs under 3 min
RT coverage: 85 full · 0 partial · 0 no data
Typical delay
+1min
Median at arrival, 90 days
30 days: +2 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
- Tue 8 Sept Max en route +16 min · last fix heading to 87660 +16 min
- Wed 23 Sept Max en route +15 min · last fix heading to 87660 +15 min
- Thu 13 Aug Max en route +12 min · last fix heading to 87660 +12 min
- Mon 19 Oct Max en route +9 min · last fix heading to Haggerston +9 min
- Mon 21 Sept Max en route +10 min · last fix heading to 87660 +9 min
Distribution · 90 days
85 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 68% · 58
- 3–10 min 28% · 24
- 10–30 min 4% · 3
- 30+ min 0% · 0
On-time by weekday
- 69% M n=13
- 33% T n=12
- 45% W n=11
- 46% T n=13
- 85% F n=13
- 100% S n=12
- 100% S n=11
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Mon 19 Oct | Haggerston 09:14 | +9 min | +9 min |
| Sun 18 Oct | Hoxton 09:00 | +1 min | +2 min |
| Sat 17 Oct | Haggerston 09:04 | −1 min | — |
| Fri 16 Oct | Dalston Junction 09:07 | +1 min | +2 min |
| Thu 15 Oct | Dalston Junction 09:08 | +2 min | +2 min |
| Wed 14 Oct | Hoxton 09:10 | +6 min | +6 min |
| Tue 13 Oct | Hoxton 09:11 | +6 min | +6 min |
| Mon 12 Oct | Haggerston 09:09 | +4 min | +4 min |
| Sun 11 Oct | Haggerston 08:58 | −1 min | +1 min |
| Sat 10 Oct | Haggerston 09:04 | −1 min | +1 min |
| Fri 9 Oct | Dalston Junction 09:07 | +2 min | +3 min |
| Thu 8 Oct | Haggerston 09:08 | +3 min | +3 min |
| Wed 7 Oct | Dalston Junction 09:06 | +1 min | +2 min |
| Tue 6 Oct | Haggerston 09:08 | +3 min | +3 min |
| Mon 5 Oct | 87660 09:05 | +1 min | +1 min |
| Sun 4 Oct | 87660 08:59 | −1 min | +1 min |
| Sat 3 Oct | 87660 09:05 | 0 min | +1 min |
| Fri 2 Oct | 87660 09:07 | +2 min | +2 min |
| Thu 1 Oct | 87660 09:13 | +8 min | +8 min |
| Wed 30 Sept | 87660 09:05 | 0 min | +2 min |
| Tue 29 Sept | 87660 09:11 | +6 min | +6 min |
| Mon 28 Sept | 87660 09:09 | +4 min | +5 min |
| Sun 27 Sept | 87660 08:59 | 0 min | +1 min |
| Sat 26 Sept | 87660 09:04 | −1 min | +1 min |
| Fri 25 Sept | 87660 09:05 | 0 min | +1 min |
| Thu 24 Sept | 87660 09:07 | +2 min | +2 min |
| Wed 23 Sept | 87660 09:20 | +15 min | +15 min |
| Tue 22 Sept | 87660 09:08 | +3 min | +3 min |
| Mon 21 Sept | 87660 09:14 | +9 min | +10 min |
| Sun 20 Sept | 87660 08:59 | 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.