London Overground 879H21
View line London Overground
Alerts for train 879H21
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
72%
58/81 runs under 3 min
RT coverage: 81 full · 0 partial · 0 no data
Typical delay
+1min
Median at arrival, 90 days
30 days: +1 min
P90
+3min
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 12 Aug Max en route +23 min · last fix heading to Dalston Junction +21 min
- Wed 23 Sept Max en route +15 min · last fix heading to Dalston Junction +15 min
- Sun 20 Sept Max en route +9 min · last fix heading to Dalston Junction +9 min
- Sun 27 Sept Max en route +7 min · last fix heading to Dalston Junction +7 min
- Mon 24 Aug Max en route +10 min · last fix heading to Dalston Junction +7 min
Distribution · 90 days
81 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 72% · 58
- 3–10 min 26% · 21
- 10–30 min 2% · 2
- 30+ min 0% · 0
On-time by weekday
- 73% M n=11
- 58% T n=12
- 58% W n=12
- 75% T n=12
- 69% F n=13
- 91% S n=11
- 80% S n=10
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sun 18 Oct | Haggerston 11:21 | 0 min | +1 min |
| Sat 17 Oct | Haggerston 11:22 | +1 min | +1 min |
| Fri 16 Oct | Haggerston 11:21 | 0 min | +1 min |
| Thu 15 Oct | Haggerston 11:21 | 0 min | +1 min |
| Wed 14 Oct | Hoxton 11:23 | +3 min | +3 min |
| Tue 13 Oct | Haggerston 11:24 | +3 min | +4 min |
| Mon 12 Oct | Hoxton 11:24 | +3 min | +3 min |
| Sun 11 Oct | Dalston Junction 11:24 | +2 min | +2 min |
| Sat 10 Oct | Dalston Junction 11:20 | 0 min | +1 min |
| Fri 9 Oct | Haggerston 11:22 | +1 min | +2 min |
| Thu 8 Oct | Dalston Junction 11:21 | 0 min | +3 min |
| Wed 7 Oct | Haggerston 11:24 | +3 min | +3 min |
| Tue 6 Oct | Haggerston 11:23 | +2 min | +7 min |
| Mon 5 Oct | Dalston Junction 11:19 | +3 min | +4 min |
| Sat 3 Oct | Dalston Junction 11:21 | +1 min | +1 min |
| Fri 2 Oct | Dalston Junction 11:22 | +1 min | +2 min |
| Thu 1 Oct | Dalston Junction 11:23 | +3 min | +4 min |
| Wed 30 Sept | Dalston Junction 11:21 | 0 min | +2 min |
| Tue 29 Sept | Dalston Junction 11:21 | 0 min | +2 min |
| Mon 28 Sept | Dalston Junction 11:20 | −1 min | +2 min |
| Sun 27 Sept | Dalston Junction 11:29 | +7 min | +7 min |
| Sat 26 Sept | Dalston Junction 11:21 | 0 min | +3 min |
| Fri 25 Sept | Dalston Junction 11:23 | +3 min | +4 min |
| Thu 24 Sept | Dalston Junction 11:21 | 0 min | +3 min |
| Wed 23 Sept | Dalston Junction 11:36 | +15 min | +15 min |
| Tue 22 Sept | Dalston Junction 11:24 | +3 min | +6 min |
| Mon 21 Sept | Dalston Junction 11:22 | +1 min | +3 min |
| Sun 20 Sept | Dalston Junction 11:30 | +9 min | +9 min |
| Sat 19 Sept | Dalston Junction 11:24 | +3 min | +4 min |
| Fri 18 Sept | Dalston Junction 11:20 | −1 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.