OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

Gilman SquaretoBoylston

Green Line

A direct MBTA train from Gilman Square to Boylston took a median 21 minutes across 3,549 observed trips; 90% of measured rides finished within approximately 26 minutes.

Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Completed direct trips only

Typical21 min50th percentile
Slower trip26 min90th percentile
Scheduled22 minmedian timetable
On pace77%within 2 min of schedule

THE SHORT ANSWER

How long does Gilman Square to Boylston take?

The median completed ride from Gilman Square to Boylston was 21 minutes; the published schedule’s median was 22 minutes.

Based on 3,549 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 21 minutes. That was within 1 minutes of the published schedule.

Nine out of ten measured trips finished within approximately 26 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

Gilman Square to Boylston times by daypart

Off-peak produced the fastest median for Gilman Square to Boylston; Evening rush produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

22 min 742 trips · 83% on pace

Midday

21 min 873 trips · 76% on pace

Evening rush

22 min 712 trips · 68% on pace

Off-peak

20 min 1,222 trips · 79% on pace

MEASUREMENT SAMPLE

How Gilman Square to Boylston was measured

The Gilman Square to Boylston estimate uses 3,549 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 →