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

Train 1684 Readville to South Station

On time 76%
Scheduled arrival 7:00 PM
Departs Readville
Departs 6:30 PM
On time 62% · usually on time
Show all stops
Fairmount
Scheduled arrival 6:33 PM
On time 36% · usually 2 min late
Blue Hill Avenue
Scheduled arrival 6:36 PM
On time 21% · usually 3 min late
Morton Street
Scheduled arrival 6:38 PM
On time 8% · usually 4 min late
Talbot Avenue
Scheduled arrival 6:41 PM
On time 21% · usually 3 min late
Four Corners/Geneva
Scheduled arrival 6:44 PM
On time 0% · usually 4 min late
Uphams Corner
Scheduled arrival 6:47 PM
On time 15% · usually 4 min late
Newmarket
Scheduled arrival 6:49 PM
On time 14% · usually 3 min late

Where delay builds

Typical delay along the route across weekdays.

10mReadville: usually on timeFairmount: usually 2 min lateBlue Hill Avenue: usually 3 min lateMorton Street: usually 4 min lateTalbot Avenue: usually 3 min lateFour Corners/Geneva: usually 4 min lateUphams Corner: usually 4 min lateNewmarket: usually 3 min lateSouth Station: usually on time+4ReadvilleSouth Station

Recent performance

How late it arrived on each recent day it ran.

20260908: 1 min late1m9/820260909: 0 min late0m9/920260910: 5 min late5m9/1020260911: 17 min late17m9/11

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

See something wrong? Tell us.