Trackside
Train 4304 Littleton/Route 495 to North Station
unofficial updated nightly logging since Aug 2026 How this is measured →
On time 75%
Scheduled arrival 12:01 PM
- Usually on time
- On time (within 2 min) 75% of weekdays
- Late 5+ min 25% of weekdays
- Late 10+ min 25% of weekdays
- About 1 day in 10, it's 14+ min late
- On time ≤2 min
- Close to schedule 2–5 min
- Late 5–10 min
- Very late 10+ min
Departs Littleton/Route 495
Departs 11:01 AM
On time 100%
· usually on time
Show all stops
South Acton
Scheduled arrival 11:07 AM
On time 91%
· usually on time
West Concord
Scheduled arrival 11:11 AM
On time 82%
· usually on time
Concord
Scheduled arrival 11:15 AM
On time 75%
· usually on time
Lincoln
Scheduled arrival 11:21 AM
On time 68%
· usually on time
Kendal Green
Scheduled arrival 11:27 AM
On time 75%
· usually on time
Brandeis/Roberts
Scheduled arrival 11:30 AM
On time 68%
· usually on time
Waltham
Scheduled arrival 11:34 AM
On time 58%
· usually on time
Waverley
Scheduled arrival 11:39 AM
On time 58%
· usually on time
Belmont
Scheduled arrival 11:41 AM
On time 58%
· usually on time
Porter
Scheduled arrival 11:47 AM
On time 58%
· usually on time
Where delay builds
Typical delay along the route across weekdays.
Recent performance
How late it arrived on each recent day it ran.
See something wrong? Tell us.