LIRR 505 Penn Station – Montauk

View line LIRR

Penn Station 17:13 → Montauk 20:30 Mon, Tue, Wed, Thu, Fri 3 h 17 min · 19 stops MTA LIRR

It has not run yet today

Last recorded run: Thursday 15 October −4 min

Next service: today 17:13 from Penn Station · Fri 16 Oct

Full trip card
Next departure 17:13 today · Penn Station
On-time · 30 days
72%
18/25 runs under 3 min
RT coverage: 25 full · 0 partial · 0 no data
On-time · 90 days
75%
48/64 runs under 3 min
RT coverage: 64 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: 0 min
P90
+5min
9 in 10 runs arrive with less than this
30 days: +7 min

Last 30 days

Arrival delay at Montauk, in minutes. One bar per run.

  • On time (<3 min)
  • 3–10 min
  • 10–30 min
  • 30+ min
  • Partial coverage
  • No data

Worst days

  • Sat 10 Oct Max en route +56 min · last fix heading to Portland +15 min
  • Thu 17 Sept Max en route +13 min · last fix heading to 237 +12 min
  • Mon 27 Jul Max en route +13 min · last fix heading to 237 +9 min
  • Mon 21 Sept Max en route +11 min · last fix heading to 237 +7 min
  • Fri 21 Aug Max en route +13 min · last fix heading to 237 +7 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 59% · 38
  • 3–10 min 22% · 14
  • 10–30 min 3% · 2
  • 30+ min 0% · 0

On-time by weekday

  • 60% M n=10
  • 92% T n=12
  • 100% W n=13
  • 69% T n=13
  • 58% F n=12
  • 0% S n=2
  • 100% S n=2

Stops and timetable

Timetable of the latest run from the operator’s GTFS (19 stops).

StopSched.
Penn Station
17:13
Jamaica
17:34 / 17:36
Babylon
18:15
Bay Shore
18:21
Islip
18:26
Great River
18:29
Oakdale
18:33
Sayville
18:38
Patchogue
18:45
Bellport
18:51
Mastic-Shirley
18:58
Speonk
19:19
Westhampton
19:26
Hampton Bays
19:36
Southampton
19:46
Bridgehampton
19:54
East Hampton
20:05
Amagansett
20:10
Montauk
20:30

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
Thu 15 OctMontauk 20:58−4 min+10 min
Wed 14 OctMontauk 20:59−3 min+19 min
Tue 13 OctOyster Bay 01:14−1 min+16 min
Mon 12 OctOyster Bay 01:13−2 min+12 min
Sun 11 OctPortland 15:26−12 min+7 min
Sat 10 OctPortland 16:56+15 min+56 min
Fri 9 OctJamaica 23:21+6 min+20 min
Thu 8 OctJamaica 23:16−2 min+33 min
Wed 7 OctMontauk 00:060 min+7 min
Tue 6 OctOyster Bay 01:13−3 min+12 min
Mon 5 OctOyster Bay 01:14−1 min+11 min
Sun 4 Oct198 01:47−6 min+6 min
Sat 3 Oct154 18:16+5 min+6 min
Fri 2 Oct237 08:000 min+7 min
Thu 1 Oct237 08:000 min+7 min
Wed 30 Sept237 08:000 min+6 min
Tue 29 Sept237 08:01+3 min+8 min
Mon 28 Sept237 08:000 min+8 min
Fri 25 Sept237 08:000 min+8 min
Thu 24 Sept237 08:01+4 min+9 min
Wed 23 Sept237 08:35+1 min+9 min
Tue 22 Sept237 08:00+2 min+8 min
Mon 21 Sept237 08:00+7 min+11 min
Fri 18 Sept237 08:01+6 min+10 min
Thu 17 Sept237 08:00+12 min+13 min
Wed 16 Sept237 08:000 min+8 min
Fri 11 Sept237 08:00+1 min+8 min
Thu 10 Sept237 08:00+3 min+8 min
Wed 9 Sept237 07:59+2 min+8 min
Tue 8 Sept237 08:01+4 min+12 min