Morning rush
15 min 701 trips · 93% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
Saint Mary's StreettoPark Street
Green Line
A direct train took 15 minutes on a typical trip. On a slower-than-usual trip, allow up to 20 minutes.
Typical15 min50th percentile
Slower trip20 min90th percentile
Scheduled17 minmedian timetable
On pace87%within 2 min of schedule
THE SHORT ANSWER
How long does Saint Mary's Street to Park Street take?
Based on 3,523 direct trips between 2026-08-17 and 2026-09-15, the median observed ride was 15 minutes. That was within 2 minutes of the published schedule.
Nine out of ten measured trips finished within approximately 20 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
Morning rush produced the fastest typical result in this window; Evening rush was slowest. Differences can change as the rolling dataset updates.
Midday
16 min 938 trips · 87% on paceEvening rush
16 min 735 trips · 82% on paceOff-peak
15 min 1,149 trips · 86% 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 Saint Mary's Street