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

Kingston Line — this week

How reliably Kingston Line trains ran this week, by day. Worst day this week: Wed 9/9, only 51% on time, typically 2 min late, worse-run trains ~4 min late.

Tue 9/8 Wed 9/9 Thu 9/10 Fri 9/11 Sat 9/12 Sun 9/13
Inbound 69% 66% 87% 90% 71% 87%
Outbound 53% 35% 63% 64% 48% 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

5mKingston: usually on timeHalifax: usually on timeHanson: usually on timeWhitman: usually on timeAbington: usually on timeSouth Weymouth: usually on timeBraintree: usually on timeQuincy Center: usually on timeJFK/UMass: usually on timeSouth Station: usually on timeKingstonSouth Station

Outbound

10mSouth Station: usually on timeJFK/UMass: usually on timeQuincy Center: usually on timeBraintree: usually on timeSouth Weymouth: usually 2 min lateAbington: usually 2 min lateWhitman: usually 3 min lateHanson: usually 3 min lateHalifax: usually 2 min lateKingston: usually on time+3South StationKingston

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

← All lines this week