LIRR 421 Huntington – Port Jefferson
Alerts for train 421
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line LIRR.
✓ Today’s run finished
Today it reached Port Jefferson at 01:54 −1 min
- Huntington01:07
- Greenlawn01:12
- Northport01:17
- Smithtown01:30
- St. James01:36
- Stony Brook01:42
- Port Jefferson01:54
Next service: tomorrow 01:07 from Huntington · Fri 9 Oct
Last 30 days
Arrival delay at Port Jefferson, in minutes. One bar per run.
- On time (<3 min)
- 3–10 min
- 10–30 min
- 30+ min
- Partial coverage
- No data
Worst days
- Tue 6 Oct Max en route +11 min · last fix heading to Port Jefferson +11 min
- Wed 7 Oct Max en route +6 min · last fix heading to Port Jefferson +4 min
Distribution · 90 days
6 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 33% · 2
- On time 33% · 2
- 3–10 min 17% · 1
- 10–30 min 17% · 1
- 30+ min 0% · 0
On-time by weekday
- 100% M n=2
- 0% T n=1
- 0% W n=1
- 100% T n=1
- — F n=0
- — S n=0
- 100% S n=1
Stops and timetable
Timetable of the latest run from the operator’s GTFS (8 stops).
| Stop | Sched. |
|---|---|
| 01:07 | |
| 01:12 | |
| 01:17 | |
| 01:22 | |
| 01:30 | |
| 01:36 | |
| 01:42 | |
| 01:54 |
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
| Date | Last stop | Final | Max |
|---|---|---|---|
| Thu 8 Oct | Port Jefferson 02:22 | −1 min | +2 min |
| Wed 7 Oct | Port Jefferson 22:46 | +4 min | +6 min |
| Tue 6 Oct | Port Jefferson 21:11 | +11 min | +11 min |
| Mon 5 Oct | Speonk 02:00 | +3 min | +9 min |
| Sun 4 Oct | 154 01:12 | −2 min | +1 min |
| Fri 2 Oct | 90505 00:12 | No data | — |
| Wed 30 Sept | 1 15:55 | No data | — |
| Mon 28 Sept | 90205 16:21 | No data | — |
| Mon 13 Jul | FR-3338-CS 16:08 | 0 min | — |