Northern 171J31
View line Northern
Alerts for train 171J31
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.
It does not run today
Last recorded run: Friday 23 October +13 min
The mini-map returns when the train runs
On-time · 30 days
65%
17/26 runs under 3 min
RT coverage: 26 full · 0 partial · 0 no data
On-time · 90 days
62%
51/82 runs under 3 min
RT coverage: 82 full · 0 partial · 0 no data
Typical delay
+1min
Median at arrival, 90 days
30 days: +2 min
P90
+9min
9 in 10 runs arrive with less than this
30 days: +10 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
- Sun 13 Sept Max en route +31 min · last fix heading to 31045 +29 min
- Sat 22 Aug Max en route +28 min · last fix heading to 31045 +28 min
- Thu 10 Sept Max en route +25 min · last fix heading to 31045 +25 min
- Fri 23 Oct Max en route +13 min · last fix heading to Littleborough +13 min
- Sat 3 Oct Max en route +11 min · last fix heading to 31045 +11 min
Distribution · 90 days
82 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 16% · 13
- On time 46% · 38
- 3–10 min 30% · 25
- 10–30 min 7% · 6
- 30+ min 0% · 0
On-time by weekday
- 73% M n=11
- 73% T n=11
- 92% W n=12
- 46% T n=13
- 50% F n=12
- 42% S n=12
- 64% S n=11
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 23 Oct | Littleborough 21:51 | +13 min | +13 min |
| Thu 22 Oct | Littleborough 21:36 | −2 min | +5 min |
| Wed 21 Oct | Littleborough 21:39 | +1 min | +4 min |
| Tue 20 Oct | Littleborough 21:47 | +10 min | +10 min |
| Mon 19 Oct | Littleborough 21:35 | −2 min | +4 min |
| Sun 18 Oct | Smithy Bridge 21:31 | +3 min | +3 min |
| Sat 17 Oct | Littleborough 21:38 | 0 min | +5 min |
| Fri 16 Oct | Littleborough 21:35 | −2 min | +3 min |
| Thu 15 Oct | Littleborough 21:42 | +5 min | +7 min |
| Wed 14 Oct | Littleborough 21:39 | +2 min | +2 min |
| Tue 13 Oct | Littleborough 21:39 | +2 min | +6 min |
| Mon 12 Oct | Littleborough 21:39 | +2 min | +2 min |
| Sun 11 Oct | Littleborough 21:42 | +1 min | +5 min |
| Sat 10 Oct | Littleborough 21:39 | +1 min | +4 min |
| Fri 9 Oct | Littleborough 21:41 | +4 min | +9 min |
| Thu 8 Oct | Littleborough 21:39 | +1 min | +5 min |
| Wed 7 Oct | Littleborough 21:37 | 0 min | +2 min |
| Tue 6 Oct | Littleborough 21:37 | −1 min | +5 min |
| Mon 5 Oct | Littleborough 21:35 | −2 min | +2 min |
| Sun 4 Oct | 31045 21:48 | 0 min | +5 min |
| Sat 3 Oct | 31045 21:50 | +11 min | +11 min |
| Fri 2 Oct | 31045 21:43 | +4 min | +4 min |
| Thu 1 Oct | 31045 21:37 | −2 min | +1 min |
| Wed 30 Sept | 31045 21:40 | +2 min | +5 min |
| Tue 29 Sept | 31045 21:48 | +9 min | +9 min |
| Mon 28 Sept | 31045 21:44 | +5 min | +9 min |
| Sun 27 Sept | 31045 21:50 | +2 min | +7 min |
| Sat 26 Sept | 31045 21:41 | +3 min | +3 min |
| Fri 25 Sept | 31045 21:43 | +4 min | +10 min |
| Thu 24 Sept | 31045 21:42 | +3 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.