Northern 551Y24
Alerts for train 551Y24
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line Northern.
Running now · updated 17:58
Running now +10 min
Today it is running worse than usual: typical arrival delay is +2 min; 57% of the last 30 runs arrived on time.
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
- Sun 25 Oct Max en route +50 min · last fix heading to Langley Mill +50 min
- Sun 4 Oct Max en route +33 min · last fix heading to 17196 +30 min
- Fri 4 Sept Max en route +18 min · last fix heading to 17196 +18 min
- Thu 29 Oct Max en route +18 min · last fix heading to — +16 min
- Thu 17 Sept Max en route +13 min · last fix heading to 17196 +13 min
Distribution · 90 days
84 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 5% · 4
- On time 55% · 46
- 3–10 min 25% · 21
- 10–30 min 13% · 11
- 30+ min 2% · 2
On-time by weekday
- 54% M n=13
- 54% T n=13
- 69% W n=13
- 69% T n=13
- 38% F n=13
- 67% S n=9
- 70% S n=10
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 30 Oct | Langley Mill 17:54 | +10 min | +10 min |
| Thu 29 Oct | — 18:40 | +16 min | +18 min |
| Wed 28 Oct | Langley Mill 18:23 | 0 min | +4 min |
| Tue 27 Oct | Langley Mill 18:27 | +4 min | +9 min |
| Mon 26 Oct | Langley Mill 18:23 | +1 min | +3 min |
| Sun 25 Oct | Langley Mill 19:12 | +50 min | +50 min |
| Sat 24 Oct | Langley Mill 18:24 | +1 min | +5 min |
| Fri 23 Oct | Langley Mill 18:25 | +3 min | +3 min |
| Thu 22 Oct | Langley Mill 18:24 | +1 min | +5 min |
| Wed 21 Oct | Langley Mill 18:33 | +10 min | +10 min |
| Tue 20 Oct | Langley Mill 18:25 | +2 min | +4 min |
| Mon 19 Oct | Langley Mill 18:22 | −1 min | +2 min |
| Sun 18 Oct | Langley Mill 18:23 | 0 min | +8 min |
| Sat 17 Oct | Langley Mill 18:23 | +1 min | +4 min |
| Fri 16 Oct | Langley Mill 18:34 | +12 min | +12 min |
| Thu 15 Oct | Langley Mill 18:25 | +3 min | +7 min |
| Wed 14 Oct | Langley Mill 18:23 | +1 min | +1 min |
| Tue 13 Oct | Langley Mill 18:27 | +5 min | +5 min |
| Mon 12 Oct | — 18:29 | +6 min | +6 min |
| Sun 11 Oct | Langley Mill 18:22 | −1 min | +8 min |
| Sat 10 Oct | — 18:22 | −1 min | +4 min |
| Fri 9 Oct | Langley Mill 18:23 | 0 min | — |
| Thu 8 Oct | Langley Mill 18:25 | +2 min | +6 min |
| Wed 7 Oct | Langley Mill 18:27 | +4 min | +4 min |
| Tue 6 Oct | Langley Mill 18:28 | +6 min | +6 min |
| Mon 5 Oct | Langley Mill 18:23 | 0 min | +4 min |
| Sun 4 Oct | 17196 18:52 | +30 min | +33 min |
| Sat 3 Oct | 17196 18:23 | +1 min | +5 min |
| Fri 2 Oct | 17196 18:22 | 0 min | +8 min |
| Thu 1 Oct | 17196 18:20 | −2 min | +5 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.