Morning rush
13 min 731 trips · 89% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
Tappan StreettoSaint Mary's Street
Green Line
A direct MBTA train from Tappan Street to Saint Mary's Street took a median 13 minutes across 3,583 observed trips; 90% of measured rides finished within approximately 16 minutes.
Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Completed direct trips only
Typical13 min50th percentile
Slower trip16 min90th percentile
Scheduled13 minmedian timetable
On pace88%within 2 min of schedule
THE SHORT ANSWER
How long does Tappan Street to Saint Mary's Street take?
The median completed ride from Tappan Street to Saint Mary's Street was 13 minutes; the published schedule’s median was 13 minutes.
Based on 3,583 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 13 minutes. That was within 0.5 minutes of the published schedule.
Nine out of ten measured trips finished within approximately 16 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.
WHEN YOU TRAVEL
Tappan Street to Saint Mary's Street times by daypart
Off-peak produced the fastest median for Tappan Street to Saint Mary's Street; Morning rush produced the slowest.
Differences can change as the rolling dataset updates.
Midday
13 min 969 trips · 90% on paceEvening rush
13 min 721 trips · 93% on paceOff-peak
12 min 1,162 trips · 83% on paceMEASUREMENT SAMPLE
How Tappan Street to Saint Mary's Street was measured
The Tappan Street to Saint Mary's Street estimate uses 3,583 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 Tappan Street
Trips related to Tappan Street to Saint Mary's Street
The Tappan Street to Saint Mary's Street record is accompanied by 6 other measured direct rides beginning at Tappan Street, each with a published median duration.