OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

South StreettoAmory Street

Green Line

A direct MBTA train from South Street to Amory Street took a median 21 minutes across 3,287 observed trips; 90% of measured rides finished within approximately 25 minutes.

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

Typical21 min50th percentile
Slower trip25 min90th percentile
Scheduled20 minmedian timetable
On pace65%within 2 min of schedule

THE SHORT ANSWER

How long does South Street to Amory Street take?

The median completed ride from South Street to Amory Street was 21 minutes; the published schedule’s median was 20 minutes.

Based on 3,287 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 21 minutes. That was 1 minutes longer than the published schedule.

Nine out of ten measured trips finished within approximately 25 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

South Street to Amory Street times by daypart

Off-peak produced the fastest median for South Street to Amory Street; Morning rush produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

21 min 653 trips · 58% on pace

Midday

21 min 905 trips · 64% on pace

Evening rush

21 min 635 trips · 79% on pace

Off-peak

20 min 1,094 trips · 61% on pace

MEASUREMENT SAMPLE

How South Street to Amory Street was measured

The South Street to Amory Street estimate uses 3,287 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 →