Trackside
MBTA Commuter Rail Greenbush Early data — logging since Aug 2026

Greenbush Line — this week

How reliably Greenbush Line trains ran this week, by day. Worst day this week: Tue 9/8, only 63% on time, typically 1 min late, worse-run trains ~3 min late.

Tue 9/8 Wed 9/9 Thu 9/10 Fri 9/11 Sat 9/12 Sun 9/13
Inbound 59% 69% 96% 83% 92% 94%
Outbound 67% 51% 78% 53% 47% 56%

The number in each cell is the share of trains on time that day — higher is better. The background colour grades that same number, so each row reads at a glance.

Tap or hover a day for the typical minutes late, how late the worse-running trains ran, and the train/arrival counts behind it.

Where delay builds

Typical delay along the route, across all recent weekdays — not just this week.

Inbound

10mGreenbush: usually on timeNorth Scituate: usually on timeCohasset: usually on timeNantasket Junction: usually on timeWest Hingham: usually on timeEast Weymouth: usually on timeWeymouth Landing/East Braintree: usually on timeQuincy Center: usually on timeJFK/UMass: usually on timeSouth Station: usually on timeGreenbushSouth Station

Outbound

10mSouth Station: usually on timeJFK/UMass: usually on timeQuincy Center: usually on timeWeymouth Landing/East Braintree: usually on timeEast Weymouth: usually 2 min lateWest Hingham: usually on timeNantasket Junction: usually 2 min lateCohasset: usually 2 min lateNorth Scituate: usually 3 min lateGreenbush: usually on time+3South StationGreenbush

Have an iPhone? Trackside’s app does live train tracking and arrival alerts for MARC today — MBTA Commuter Rail support is on the way.

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