Morning rush
35 min 650 trips · 66% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
South StreettoCopley
Green Line
A direct MBTA train from South Street to Copley took a median 36 minutes across 3,239 observed trips; 90% of measured rides finished within approximately 41 minutes.
Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Completed direct trips only
Typical36 min50th percentile
Slower trip41 min90th percentile
Scheduled35 minmedian timetable
On pace63%within 2 min of schedule
THE SHORT ANSWER
How long does South Street to Copley take?
The median completed ride from South Street to Copley was 36 minutes; the published schedule’s median was 35 minutes.
Based on 3,239 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 36 minutes. That was 0.5 minutes longer than the published schedule.
Nine out of ten measured trips finished within approximately 41 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.
WHEN YOU TRAVEL
South Street to Copley times by daypart
Off-peak produced the fastest median for South Street to Copley; Evening rush produced the slowest.
Differences can change as the rolling dataset updates.
Midday
36 min 888 trips · 66% on paceEvening rush
37 min 630 trips · 67% on paceOff-peak
34 min 1,071 trips · 58% on paceMEASUREMENT SAMPLE
How South Street to Copley was measured
The South Street to Copley estimate uses 3,239 completed direct-trip stop-timestamp pairs matched to the schedule active for each observed train.
We publish the median because one dramatic delay should not define an everyday journey, and the 90th percentile because riders still need to understand the bad end of normal.
We do not infer why a trip ran slowly. Construction, incidents, crowding and weather require separate evidence.
Read the complete method →MORE FROM South Street
Trips related to South Street to Copley
The South Street to Copley record is accompanied by 6 other measured direct rides beginning at South Street, each with a published median duration.