Trackside
MBTA Commuter Rail Providence/Stoughton Early data — logging since Aug 2026

Train 857 Back Bay to Providence

On time 81%
Scheduled arrival 5:31 PM
Canceled 1 of 13 recent scheduled weekdays
Departs Back Bay
Departs 4:25 PM
On time 36% · usually 4 min late
Show all stops
Ruggles
Scheduled arrival 4:28 PM
On time 0% · usually 4 min late
Route 128
Scheduled arrival 4:39 PM
On time 0% · usually 3 min late
Canton Junction
Scheduled arrival 4:45 PM
On time 0% · usually 4 min late
Sharon
Scheduled arrival 4:51 PM
On time 0% · usually 4 min late
Mansfield
Scheduled arrival 4:59 PM
On time 0% · usually 6 min late
Attleboro
Scheduled arrival 5:07 PM
On time 0% · usually 8 min late
Pawtucket/Central Falls
Scheduled arrival 5:16 PM
On time 0% · usually 8 min late

Where delay builds

Typical delay along the route across weekdays.

20mBack Bay: usually 4 min lateRuggles: usually 4 min lateRoute 128: usually 3 min lateCanton Junction: usually 4 min lateSharon: usually 4 min lateMansfield: usually 6 min lateAttleboro: usually 8 min latePawtucket/Central Falls: usually 8 min lateProvidence: usually on time+8Back BayProvidence

Recent performance

How late it arrived on each recent day it ran. Days marked ✕ were canceled.

20260908: 0 min late0m9/820260909: canceled9/920260910: 2 min late2m9/1020260911: 0 min late0m9/11

Have an iPhone? Trackside’s app does live train tracking and arrival alerts for MARC today — MBTA Commuter Rail support is on the way.

See something wrong? Tell us.