Train NS 4279 Haarlem – Leiden Centraal
It has not run yet today
Last recorded run: Friday 16 October 0 min
Next service: today 22:47 from Haarlem · Sat 17 Oct
Next departure 22:47 today · Haarlem
On-time · 30 days
63%
5/8 runs under 3 min
RT coverage: 8 full · 0 partial · 8 no data
On-time · 90 days
63%
5/8 runs under 3 min
RT coverage: 8 full · 0 partial · 15 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: +2 min
P90
+6min
9 in 10 runs arrive with less than this
30 days: +6 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
Worst days
- Wed 7 Oct Max en route +10 min · last fix heading to — +10 min
- Mon 5 Oct Max en route +4 min · last fix heading to — +4 min
- Fri 9 Oct Max en route +3 min · last fix heading to — +3 min
Distribution · 90 days
8 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 63% · 5
- 3–10 min 25% · 2
- 10–30 min 13% · 1
- 30+ min 0% · 0
On-time by weekday
- 50% M n=2
- 100% T n=1
- 50% W n=2
- 100% T n=1
- 50% F n=2
- — S n=0
- — S n=0
Stops and timetable
Timetable of the latest run from the operator’s GTFS (5 stops).
| Stop | Sched. |
|---|---|
| 22:47 | |
| 22:52 | |
| 22:57 | |
| 23:04 | |
| 23:10 |
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 |
|---|---|---|---|
| Fri 16 Oct | — 23:11 | 0 min | — |
| Thu 15 Oct | — 23:19 | No data | — |
| Wed 14 Oct | — 23:17 | +2 min | +2 min |
| Tue 13 Oct | — 23:12 | No data | — |
| Mon 12 Oct | — 23:12 | 0 min | — |
| Fri 9 Oct | — 23:15 | +3 min | +3 min |
| Thu 8 Oct | — 23:14 | +1 min | +1 min |
| Wed 7 Oct | — 23:23 | +10 min | +10 min |
| Tue 6 Oct | — 23:11 | 0 min | — |
| Mon 5 Oct | — 23:17 | +4 min | +4 min |
| Sun 4 Oct | Voorhout 23:19 | No data | — |
| Sat 3 Oct | Voorhout 23:15 | No data | — |
| Sun 27 Sept | Den Haag Laan v NOI 23:50 | No data | — |
| Sat 26 Sept | Voorhout 23:18 | No data | — |
| Sun 20 Sept | Voorhout 23:20 | No data | — |
| Sat 19 Sept | Hillegom 23:08 | No data | — |
| Sun 6 Sept | Voorhout 23:19 | No data | — |
| Sat 5 Sept | Hillegom 23:11 | No data | — |
| Sun 30 Aug | Voorhout 23:19 | No data | — |
| Sun 16 Aug | Voorhout 23:20 | No data | — |
| Sat 15 Aug | Voorhout 23:18 | No data | — |
| Sun 2 Aug | Voorhout 23:19 | No data | — |
| Sun 26 Jul | Voorhout 23:19 | No data | — |