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

Train 1661 South Station to Readville

On time 65%
Scheduled arrival 4:17 PM
Departs South Station
Departs 3:47 PM
Based on 5 recorded weekdays — early data.
Usually on time
Show all stops
Newmarket
Scheduled arrival 3:55 PM
On time 58% · usually 2 min late
Uphams Corner
Scheduled arrival 3:57 PM
On time 25% · usually 2 min late
Four Corners/Geneva
Scheduled arrival 4:00 PM
On time 17% · usually 2 min late
Talbot Avenue
Scheduled arrival 4:03 PM
On time 9% · usually 3 min late
Morton Street
Scheduled arrival 4:06 PM
On time 51% · usually 2 min late
Blue Hill Avenue
Scheduled arrival 4:08 PM
On time 29% · usually 3 min late
Fairmount
Scheduled arrival 4:11 PM
On time 15% · usually 4 min late

Where delay builds

Typical delay along the route across weekdays.

10mSouth Station: usually on timeNewmarket: usually 2 min lateUphams Corner: usually 2 min lateFour Corners/Geneva: usually 2 min lateTalbot Avenue: usually 3 min lateMorton Street: usually 2 min lateBlue Hill Avenue: usually 3 min lateFairmount: usually 4 min lateReadville: usually on time+4South StationReadville

Recent performance

How late it arrived on each recent day it ran.

20260908: 5 min late5m9/820260909: 1 min late1m9/920260910: 2 min late2m9/1020260911: 0 min late0m9/11

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