Montauk Branch

Long Island Rail Road · real-time data health

Current real-time data status

Degraded

Real-time arrival information is available but updating less consistently than expected.

Part of this service (Greenport) is missing usable real-time data.

Updating now

Last checked recently (Aug 11, 2026, 1:46:03 PM ET)

Commuter rail service operates on a timetable, so longer gaps between trains can be normal and do not necessarily indicate a real-time data problem.

Arrival predictions being published

Upcoming stop arrival times currently in the feed.

Stations with upcoming arrivals

How widely predictions cover the branch.

Trains being tracked

Trains the feed is currently reporting on.

Arrival data last changed

The main signal we use: predictions should keep moving.

Last 24 hours

Each block is 30 minutes, oldest on the left. Gaps mean we had no monitoring results for that period.

12:30 AM1:30 PM

Montauk Branch: degraded arrival data
Real-time arrival data for this service is less reliable than usual.
Aug 11, 2026, 11:23:01 AM ET · recovered after 4 min
Greenport Service: no data arrival data
Real-time arrival data for this service is currently missing while the rest of the feed is up to date.
Aug 11, 2026, 6:50:03 AM ET · ongoing
Greenport Service: stale arrival data
Real-time arrival data for this service is no longer being refreshed.
Aug 11, 2026, 4:56:02 AM ET · recovered after 26 min
Greenport Service: degraded arrival data
Real-time arrival data for this service is less reliable than usual.
Aug 11, 2026, 4:15:02 AM ET · recovered after 1 hr 7 min

No active service alert detected

Shown for context only. Service alerts describe how trains are running; they never change the data-health status above.