Trackside
Train 6421 South Station to Needham Heights
unofficial updated nightly logging since Aug 2026 How this is measured →
On time 33%
Scheduled arrival 5:42 PM · typically 5:45 PM
- Usually 3 min late
- On time (within 2 min) 33% of weekdays
- Late 5+ min 34% of weekdays
- Late 10+ min 0% of weekdays
- About 1 day in 10, it's 6+ min late
- On time ≤2 min
- Close to schedule 2–5 min
- Late 5–10 min
- Very late 10+ min
Departs South Station
Departs 4:55 PM
Based on 7 recorded weekdays — early data.
Usually on time
Show all stops
Back Bay
Scheduled arrival 5:00 PM
On time 35%
· usually 3 min late
Ruggles
Scheduled arrival 5:04 PM
On time 67%
· usually on time
Forest Hills
Scheduled arrival 5:09 PM
On time 55%
· usually on time
Roslindale Village
Scheduled arrival 5:14 PM
On time 67%
· usually on time
Bellevue
Scheduled arrival 5:17 PM
On time 59%
· usually on time
Highland
Scheduled arrival 5:20 PM
On time 51%
· usually on time
West Roxbury
Scheduled arrival 5:22 PM
On time 33%
· usually 2 min late
Hersey
Scheduled arrival 5:28 PM
On time 34%
· usually 2 min late
Needham Junction
Scheduled arrival 5:32 PM
On time 33%
· usually 3 min late
Needham Center
Scheduled arrival 5:36 PM
On time 23%
· usually 4 min late
Where delay builds
Typical delay along the route across weekdays.
Recent performance
How late it arrived on each recent day it ran.
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