Train NS 4256 Leiden Centraal – Haarlem
It has not run yet today
Last recorded run: Saturday 17 October 0 min
Next service: today 18:20 from Leiden Centraal · Sun 18 Oct
Next departure 18:20 today · Leiden Centraal
On-time · 30 days
86%
6/7 runs under 3 min
RT coverage: 6 full · 1 partial · 20 no data
On-time · 90 days
86%
6/7 runs under 3 min
RT coverage: 6 full · 1 partial · 73 no data
Typical delay
0min
Median at arrival, 90 days
30 days: 0 min
P90
+6min
9 in 10 runs arrive with less than this
30 days: +6 min
Last 30 days
Arrival delay at Haarlem, 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 8 Oct Max en route +14 min · last fix heading to Den Haag Mariahoeve +13 min
Distribution · 90 days
7 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 86% · 6
- 3–10 min 0% · 0
- 10–30 min 14% · 1
- 30+ min 0% · 0
On-time by weekday
- 100% M n=2
- 100% T n=1
- 100% W n=1
- 0% T n=1
- 100% F n=1
- 100% S n=1
- — S n=0
Stops and timetable
Timetable of the latest run from the operator’s GTFS (5 stops).
| Stop | Sched. |
|---|---|
| 18:20 | |
| 18:25 | |
| 18:32 | |
| 18:38 | |
| 18:43 |
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 17 Oct | Heemstede-Aerdenhout 18:52Partial coverage | 0 min | — |
| Fri 16 Oct | Heemstede-Aerdenhout 18:52 | No data | — |
| Thu 15 Oct | Voorhout 18:44 | No data | — |
| Wed 14 Oct | Heemstede-Aerdenhout 18:52 | No data | — |
| Tue 13 Oct | Heemstede-Aerdenhout 18:50 | No data | — |
| Mon 12 Oct | Heemstede-Aerdenhout 18:52 | 0 min | — |
| Fri 9 Oct | Hillegom 18:46 | 0 min | +1 min |
| Thu 8 Oct | Den Haag Mariahoeve 19:11 | +13 min | +14 min |
| Wed 7 Oct | De Vink 18:45 | +1 min | — |
| Tue 6 Oct | Den Haag Mariahoeve 18:44 | 0 min | — |
| Mon 5 Oct | De Vink 18:44 | 0 min | +1 min |
| Sun 4 Oct | Heemstede-Aerdenhout 18:52 | No data | — |
| Sat 3 Oct | Halfweg-Zwanenburg 19:07 | No data | — |
| Fri 2 Oct | Heemstede-Aerdenhout 18:52 | No data | — |
| Thu 1 Oct | Voorschoten 18:20 | No data | — |
| Wed 30 Sept | De Vink 18:18 | No data | — |
| Tue 29 Sept | Voorschoten 18:20 | No data | — |
| Mon 28 Sept | Den Haag Mariahoeve 18:15 | No data | — |
| Sun 27 Sept | Heemstede-Aerdenhout 18:52 | No data | — |
| Sat 26 Sept | Heemstede-Aerdenhout 18:53 | No data | — |
| Fri 25 Sept | Hillegom 18:46 | No data | — |
| Thu 24 Sept | Den Haag Centraal 18:10 | No data | — |
| Wed 23 Sept | De Vink 18:23 | No data | — |
| Tue 22 Sept | Den Haag Mariahoeve 18:15 | No data | — |
| Mon 21 Sept | Voorschoten 18:20 | No data | — |
| Sun 20 Sept | Heemstede-Aerdenhout 18:52 | No data | — |
| Sat 19 Sept | Heemstede-Aerdenhout 18:52 | No data | — |
| Fri 18 Sept | Heemstede-Aerdenhout 18:52 | No data | — |
| Thu 17 Sept | De Vink 18:23 | No data | — |
| Wed 16 Sept | Den Haag Mariahoeve 18:15 | No data | — |