LIRR 9112 Grand Central – Ronkonkoma

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Grand Central 08:57 → Ronkonkoma 10:18 Mon, Tue, Wed, Thu, Fri 1 h 21 min · 11 stops MTA LIRR

Running now · updated 10:02

Between Farmingdale and Wyandanch +6 min

Estimated arrival at Ronkonkoma 10:24 10:18 · 126 km/h

  1. Grand Central08:57
  2. Hillside Facility09:22
  3. Hicksville09:40
  4. Farmingdale09:50
  5. Wyandanch09:56
  6. Deer Park10:01
  7. Ronkonkoma10:18

Today it is running worse than usual: typical arrival delay is +3 min; 60% of the last 5 runs arrived on time.

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On-time · 30 days
60%
3/5 runs under 3 min
RT coverage: 4 full · 1 partial · 0 no data
On-time · 90 days
60%
3/5 runs under 3 min
RT coverage: 4 full · 1 partial · 0 no data
Typical delay
+3min
Median at arrival, 90 days
30 days: +3 min
P90
+6min
9 in 10 runs arrive with less than this
30 days: +6 min

Last 30 days

Arrival delay at Ronkonkoma, 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 +7 min · last fix heading to Wyandanch +7 min
  • Sun 4 Oct Max en route +4 min · last fix heading to 27 +3 min

Distribution · 90 days

5 runs with a known final delay. On time = under 3 min, the same cut the map uses.

  • Early 20% · 1
  • On time 40% · 2
  • 3–10 min 40% · 2
  • 10–30 min 0% · 0
  • 30+ min 0% · 0

On-time by weekday

  • 100% M n=1
  • 100% T n=1
  • 0% W n=1
  • — T n=0
  • — F n=0
  • 100% S n=1
  • 0% S n=1

Stops and timetable

Timetable of the latest run from the operator’s GTFS (11 stops).

StopSched.Today
Grand Central
08:57Passed
Jamaica
09:17 / 09:18Passed
Hillside Facility
09:22Passed
Hicksville
09:40Passed
Bethpage
09:46Passed
Farmingdale
09:50Passed
Wyandanch
09:56Next
Deer Park
10:01
Brentwood
10:06
Central Islip
10:10
Ronkonkoma
10:18

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 10 July 2026.

Recent runs

DateLast stopFinalMax
Wed 7 OctWyandanch 09:59Partial coverage+7 min+7 min
Tue 6 OctHuntington 22:14+1 min+5 min
Mon 5 OctBabylon 21:39−1 min+7 min
Sun 4 Oct27 20:31+3 min+4 min
Sat 3 Oct91 00:45+3 min+9 min