Z 9839 Helsinki – Lahti
View line Z
Alerts for train 9839
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line Z.
✓ Today’s run finished
Today it reached Lahti at 13:50 0 min
- Helsinki12:45
- Pasila12:49
- Tikkurila12:58
- Haarajoki13:14
- Mäntsälä13:24
- Henna13:35
- Lahti13:50
On-time · 30 days
93%
26/28 runs under 3 min
RT coverage: 28 full · 0 partial · 1 no data
On-time · 90 days
94%
83/88 runs under 3 min
RT coverage: 88 full · 0 partial · 1 no data
Typical delay
0min
Median at arrival, 90 days
30 days: 0 min
P90
+2min
9 in 10 runs arrive with less than this
30 days: +2 min
Last 30 days
Arrival delay at Lahti, in minutes. One bar per run.
- On time (<3 min)
- 3–10 min
- 10–30 min
- 30+ min
- Partial coverage
- No data
Worst days
- Thu 30 Jul Max en route +12 min · last fix heading to — +12 min
- Tue 13 Oct Max en route +5 min · last fix heading to Lahti +5 min
- Sat 29 Aug Max en route +4 min · last fix heading to — +4 min
- Mon 5 Oct Max en route +4 min · last fix heading to Lahti +4 min
- Wed 29 Jul Max en route +3 min · last fix heading to — +3 min
Distribution · 90 days
88 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 6% · 5
- On time 89% · 78
- 3–10 min 5% · 4
- 10–30 min 1% · 1
- 30+ min 0% · 0
On-time by weekday
- 92% M n=13
- 92% T n=13
- 92% W n=13
- 92% T n=13
- 100% F n=13
- 92% S n=12
- 100% S n=11
Stops and timetable
Timetable of the latest run from the operator’s GTFS (8 stops).
| Stop | Sched. |
|---|---|
| 12:45 | |
| 12:49 / 12:50 | |
| 12:58 / 12:59 | |
| 13:07 / 13:08 | |
| 13:14 / 13:15 | |
| 13:24 / 13:25 | |
| 13:35 / 13:36 | |
| 13:50 |
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.
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sat 24 Oct | Lahti 14:20 | 0 min | — |
| Fri 23 Oct | Lahti 14:21 | +1 min | — |
| Thu 22 Oct | Lahti 14:23 | +2 min | +2 min |
| Wed 21 Oct | Lahti 14:20 | −1 min | — |
| Tue 20 Oct | Lahti 14:20 | +1 min | — |
| Mon 19 Oct | Lahti 14:21 | +1 min | — |
| Sun 18 Oct | Lahti 14:20 | 0 min | — |
| Sat 17 Oct | Lahti 14:22 | −1 min | — |
| Fri 16 Oct | Lahti 14:19 | 0 min | — |
| Thu 15 Oct | Lahti 14:18 | −1 min | — |
| Wed 14 Oct | Lahti 14:21 | +1 min | — |
| Tue 13 Oct | Lahti 14:25 | +5 min | +5 min |
| Mon 12 Oct | Lahti 14:20 | 0 min | — |
| Sat 10 Oct | — 14:22 | No data | — |
| Fri 9 Oct | Lahti 14:21 | +2 min | +2 min |
| Thu 8 Oct | Lahti 14:21 | +1 min | +1 min |
| Wed 7 Oct | Lahti 14:20 | 0 min | — |
| Tue 6 Oct | Lahti 14:20 | 0 min | — |
| Mon 5 Oct | Lahti 14:24 | +4 min | +4 min |
| Sun 4 Oct | Lahti 14:20 | 0 min | — |
| Sat 3 Oct | — 14:19 | 0 min | — |
| Fri 2 Oct | — 14:20 | 0 min | — |
| Thu 1 Oct | — 14:23 | +3 min | +3 min |
| Wed 30 Sept | — 14:20 | 0 min | — |
| Tue 29 Sept | — 14:22 | +2 min | +2 min |
| Mon 28 Sept | — 14:19 | 0 min | — |
| Sun 27 Sept | — 14:19 | 0 min | — |
| Sat 26 Sept | — 14:19 | −1 min | — |
| Fri 25 Sept | — 14:20 | +1 min | — |
| Thu 24 Sept | — 14:20 | 0 min | — |