Trackside
Train 6666 Readville to South Station
unofficial updated nightly logging since Aug 2026 How this is measured →
Usually 2 min late
Scheduled arrival 4:00 PM
Based on 6 recorded Sundays — early data.
- Usually 2 min late
- On time ≤2 min
- Close to schedule 2–5 min
- Late 5–10 min
- Very late 10+ min
Departs Readville
Departs 3:30 PM
Based on 4 recorded Sundays — early data.
Usually on time
Show all stops
Fairmount
Scheduled arrival 3:33 PM
Based on 6 recorded Sundays — early data.
Usually on time
Blue Hill Avenue
Scheduled arrival 3:36 PM
Based on 6 recorded Sundays — early data.
Usually on time
Morton Street
Scheduled arrival 3:38 PM
Based on 6 recorded Sundays — early data.
Usually 2 min late
Talbot Avenue
Scheduled arrival 3:41 PM
Based on 6 recorded Sundays — early data.
Usually 2 min late
Four Corners/Geneva
Scheduled arrival 3:44 PM
Based on 6 recorded Sundays — early data.
Usually 2 min late
Uphams Corner
Scheduled arrival 3:47 PM
Based on 6 recorded Sundays — early data.
Usually 2 min late
Newmarket
Scheduled arrival 3:49 PM
Based on 6 recorded Sundays — early data.
Usually on time
Where delay builds
Typical delay along the route across Sundays.
Recent performance
How late it arrived on each recent day it ran.
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