Morning rush
27 min 638 trips · 93% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
CopleytoBall Square
Green Line
A direct train took 27 minutes on a typical trip. On a slower-than-usual trip, allow up to 32 minutes.
Typical27 min50th percentile
Slower trip32 min90th percentile
Scheduled30 minmedian timetable
On pace89%within 2 min of schedule
THE SHORT ANSWER
How long does Copley to Ball Square take?
Based on 3,511 direct trips between 2026-08-17 and 2026-09-15, the median observed ride was 27 minutes. That was within 3 minutes of the published schedule.
Nine out of ten measured trips finished within approximately 32 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.
WHEN YOU TRAVEL
Time-of-day breakdown
Off-peak produced the fastest typical result in this window; Evening rush was slowest. Differences can change as the rolling dataset updates.
Midday
27 min 885 trips · 91% on paceEvening rush
29 min 640 trips · 77% on paceOff-peak
26 min 1,348 trips · 92% on paceHOW TO READ THIS
Measured, not promised.
TransitMeter pairs vehicle stop timestamps with the schedule active for each trip. 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 Copley