Train NS 4237 Haarlem – Leiden Centraal
It has not run yet today
Last recorded run: Monday 2 November No data
Next service: today 12:17 from Haarlem · Tue 3 Nov
Next departure 12:17 today · Haarlem
On-time · 30 days
100%
17/17 runs under 3 min
RT coverage: 12 full · 5 partial · 10 no data
On-time · 90 days
100%
24/24 runs under 3 min
RT coverage: 19 full · 5 partial · 56 no data
Typical delay
0min
Median at arrival, 90 days
30 days: 0 min
P90
0min
9 in 10 runs arrive with less than this
30 days: 0 min
Last 30 days
Arrival delay at Leiden Centraal, in minutes. One bar per run.
- On time (<3 min)
- 3–10 min
- 10–30 min
- 30+ min
- Partial coverage
- No data
Distribution · 90 days
24 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 100% · 24
- 3–10 min 0% · 0
- 10–30 min 0% · 0
- 30+ min 0% · 0
On-time by weekday
- 100% M n=3
- 100% T n=5
- 100% W n=1
- 100% T n=5
- 100% F n=3
- 100% S n=4
- 100% S n=3
Stops and timetable
Timetable of the latest run from the operator’s GTFS (5 stops).
| Stop | Sched. |
|---|---|
| 12:17 | |
| 12:22 | |
| 12:27 | |
| 12:34 | |
| 12:40 |
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 |
|---|---|---|---|
| Mon 2 Nov | Den Haag Laan v NOI 13:14 | No data | — |
| Sun 1 Nov | Voorhout 12:50Partial coverage | 0 min | — |
| Sat 31 Oct | Voorhout 12:50Partial coverage | 0 min | — |
| Fri 30 Oct | Den Haag Laan v NOI 13:17 | No data | — |
| Thu 29 Oct | Den Haag Laan v NOI 13:15 | 0 min | — |
| Wed 28 Oct | Den Haag Laan v NOI 13:15 | No data | — |
| Tue 27 Oct | Den Haag Laan v NOI 13:15 | 0 min | — |
| Mon 26 Oct | Den Haag Laan v NOI 13:15 | No data | — |
| Sun 25 Oct | Voorhout 12:50 | No data | — |
| Sat 24 Oct | Voorhout 12:49Partial coverage | 0 min | — |
| Fri 23 Oct | Den Haag Laan v NOI 13:16 | 0 min | — |
| Thu 22 Oct | Den Haag Laan v NOI 13:16 | 0 min | — |
| Wed 21 Oct | Den Haag Laan v NOI 13:15 | No data | — |
| Tue 20 Oct | Den Haag Laan v NOI 13:16 | 0 min | — |
| Mon 19 Oct | Den Haag Laan v NOI 13:15 | 0 min | — |
| Sun 18 Oct | Voorhout 12:49Partial coverage | 0 min | — |
| Sat 17 Oct | Voorhout 12:50Partial coverage | 0 min | — |
| Fri 16 Oct | Den Haag Laan v NOI 13:17 | 0 min | — |
| Thu 15 Oct | Den Haag Laan v NOI 13:16 | No data | — |
| Wed 14 Oct | Den Haag Laan v NOI 13:15 | No data | — |
| Tue 13 Oct | Leiden Centraal 13:36 | No data | — |
| Mon 12 Oct | Den Haag Laan v NOI 13:16 | No data | — |
| Fri 9 Oct | Den Haag Laan v NOI 13:16 | 0 min | — |
| Thu 8 Oct | Den Haag Laan v NOI 13:17 | +2 min | +2 min |
| Wed 7 Oct | Den Haag Laan v NOI 13:16 | +1 min | — |
| Tue 6 Oct | Den Haag Laan v NOI 13:15 | 0 min | — |
| Mon 5 Oct | Den Haag Laan v NOI 13:15 | 0 min | — |
| Sun 4 Oct | Voorhout 12:51 | No data | — |
| Sat 3 Oct | Amsterdam Sloterdijk 16:23 | 0 min | — |
| Fri 2 Oct | Den Haag Laan v NOI 13:17 | No data | — |