LIRR 7142 Grand Central – Ronkonkoma

View line LIRR

Grand Central 17:39 → Ronkonkoma 18:59 Mon, Tue, Wed, Thu, Fri 1 h 20 min · 7 stops MTA LIRR

✓ Today’s run finished

Today it reached Ronkonkoma at 18:59 −5 min

Grand Central17:39
Jamaica18:01
Wyandanch18:37
Deer Park18:42
Brentwood18:47
Central Islip18:51
Ronkonkoma18:59

Next service: Monday 17:39 from Grand Central · Mon 16 Nov

Full trip card

Next departure 17:39 Monday · Grand Central

On-time · 30 days

60%

12/20 runs under 3 min

RT coverage: 20 full · 0 partial · 0 no data

On-time · 90 days

88%

56/64 runs under 3 min

RT coverage: 64 full · 0 partial · 0 no data

Typical delay

0min

Median at arrival, 90 days

30 days: +2 min

P90

+3min

9 in 10 runs arrive with less than this

30 days: +5 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 11 Nov Max en route +7 min · last fix heading to Port Washington +6 min
Sun 18 Oct Max en route +6 min · last fix heading to Port Washington +6 min
Thu 29 Oct Max en route +8 min · last fix heading to Wantagh +5 min
Thu 12 Nov Max en route +13 min · last fix heading to Babylon +4 min
Mon 19 Oct Max en route +7 min · last fix heading to Long Beach +4 min

Distribution · 90 days

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

Early 16% · 10
On time 72% · 46
3–10 min 13% · 8
10–30 min 0% · 0
30+ min 0% · 0

On-time by weekday

92% M n=12
91% T n=11
90% W n=10
78% T n=9
82% F n=11
100% S n=5
83% S n=6

Stops and timetable

Timetable of the latest run from the operator’s GTFS (7 stops).

Last 90 days, 64 runs. At intermediate stops it is an estimate from the delay at origin and destination. Delays over 2 h count as “> 2 h”: our data does not measure them exactly.

Stop	Sched.	Usually	9 days in 10
Grand Central	17:39	on time	+2 min
Jamaica	18:01 / 18:02	≈ on time	≈ +1 min
Wyandanch	18:37	≈ on time	≈ +2 min
Deer Park	18:42	≈ on time	≈ +3 min
Brentwood	18:47	≈ on time	≈ +3 min
Central Islip	18:51	≈ on time	≈ +3 min
Ronkonkoma	18:59	on time	+3 min

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.

Will I make my connection?

Pick where you get off and how many minutes you have until your next train. We work it out from what this train did over the last 90 days.

Include the time to change platforms. It is an estimate from past data, not a guarantee. Days more than 2 h late count as a missed connection.

Recent runs

Date	Last stop	Final	Max
Fri 13 Nov	Ronkonkoma 19:34	−5 min	+7 min
Thu 12 Nov	Babylon 21:49	+4 min	+13 min
Wed 11 Nov	Port Washington 21:06	+6 min	+7 min
Tue 10 Nov	Babylon 21:35	−2 min	+4 min
Mon 9 Nov	Babylon 21:15	−2 min	+4 min
Sun 8 Nov	Ronkonkoma 23:14	−3 min	+2 min
Sat 31 Oct	West Hempstead 19:18	+3 min	+5 min
Fri 30 Oct	Long Beach 00:14	+3 min	+8 min
Thu 29 Oct	Wantagh 19:39	+5 min	+8 min
Wed 28 Oct	Hempstead 23:12	+1 min	+8 min
Tue 27 Oct	Babylon 23:58	+3 min	+6 min
Mon 26 Oct	Port Washington 00:04	+2 min	+3 min
Sat 24 Oct	Ronkonkoma 19:10	+2 min	+3 min
Fri 23 Oct	Port Washington 22:38	+3 min	+3 min
Tue 20 Oct	West Hempstead 00:15	+1 min	+5 min
Mon 19 Oct	Long Beach 19:41	+4 min	+7 min
Sun 18 Oct	Port Washington 18:25	+6 min	+6 min
Sat 17 Oct	Far Rockaway 15:14	0 min	+4 min
Fri 16 Oct	West Hempstead 22:14	−3 min	+3 min
Thu 15 Oct	Jamaica 20:25	0 min	+8 min
Wed 14 Oct	Far Rockaway 22:52	−4 min	+1 min
Tue 13 Oct	Jamaica 20:25	+2 min	+2 min
Mon 12 Oct	Far Rockaway 22:52	−3 min	+3 min
Sun 11 Oct	Far Rockaway 15:14	0 min	+4 min
Sat 10 Oct	Far Rockaway 15:15	−1 min	+4 min
Fri 9 Oct	West Hempstead 22:15	0 min	+3 min
Thu 8 Oct	Jamaica 22:53	−1 min	+2 min
Wed 7 Oct	Jamaica 20:21	−2 min	+4 min
Tue 6 Oct	Far Rockaway 22:52	−4 min	+1 min
Mon 5 Oct	West Hempstead 22:13	0 min	+14 min