Morning rush
20 min 558 trips · 85% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
Union SquaretoBoylston
Green Line
A direct MBTA train from Union Square to Boylston took a median 20 minutes across 3,172 observed trips; 90% of measured rides finished within approximately 24 minutes.
Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Completed direct trips only
Typical20 min50th percentile
Slower trip24 min90th percentile
Scheduled21 minmedian timetable
On pace81%within 2 min of schedule
THE SHORT ANSWER
How long does Union Square to Boylston take?
The median completed ride from Union Square to Boylston was 20 minutes; the published schedule’s median was 21 minutes.
Based on 3,172 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 20 minutes. That was within 1.5 minutes of the published schedule.
Nine out of ten measured trips finished within approximately 24 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.
WHEN YOU TRAVEL
Union Square to Boylston times by daypart
Off-peak produced the fastest median for Union Square to Boylston; Evening rush produced the slowest.
Differences can change as the rolling dataset updates.
Midday
20 min 836 trips · 80% on paceEvening rush
21 min 680 trips · 76% on paceOff-peak
19 min 1,098 trips · 84% on paceMEASUREMENT SAMPLE
How Union Square to Boylston was measured
The Union Square to Boylston estimate uses 3,172 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 Union Square
Trips related to Union Square to Boylston
The Union Square to Boylston record is accompanied by 6 other measured direct rides beginning at Union Square, each with a published median duration.