Trackside
MBTA Commuter Rail Fairmount

Train 6620 Readville to South Station

unofficial updated nightly logging since Aug 2026 How this is measured →

Usually 5 min late
Scheduled arrival 8:15 AM
Based on 5 recorded Saturdays — early data.
Departs Readville
Departs 7:45 AM
Based on 3 recorded Saturdays — early data.
Usually on time
Show all stops
Fairmount
Scheduled arrival 7:48 AM
Based on 5 recorded Saturdays — early data.
Usually 3 min late
Blue Hill Avenue
Scheduled arrival 7:51 AM
Based on 5 recorded Saturdays — early data.
Usually 3 min late
Morton Street
Scheduled arrival 7:53 AM
Based on 5 recorded Saturdays — early data.
Usually 5 min late
Talbot Avenue
Scheduled arrival 7:56 AM
Based on 5 recorded Saturdays — early data.
Usually 4 min late
Four Corners/Geneva
Scheduled arrival 7:59 AM
Based on 5 recorded Saturdays — early data.
Usually 7 min late
Uphams Corner
Scheduled arrival 8:02 AM
Based on 5 recorded Saturdays — early data.
Usually 6 min late
Newmarket
Scheduled arrival 8:04 AM
Based on 5 recorded Saturdays — early data.
Usually 6 min late

Where delay builds

Typical delay along the route across Saturdays.

20mReadville: usually on timeFairmount: usually 3 min lateBlue Hill Avenue: usually 3 min lateMorton Street: usually 5 min lateTalbot Avenue: usually 4 min lateFour Corners/Geneva: usually 7 min lateUphams Corner: usually 6 min lateNewmarket: usually 6 min lateSouth Station: usually 5 min late+7ReadvilleSouth Station

Recent performance

How late it arrived on each recent day it ran.

20260926: 2 min early2 early9/26Sat

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