Morning rush
1.2 min 168 trips · 99% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
Summit AvenuetoCoolidge Corner
Green Line
A direct MBTA train from Summit Avenue to Coolidge Corner took a median 1.2 minutes across 914 observed trips; 90% of measured rides finished within approximately 1.8 minutes.
Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Completed direct trips only
Typical1.2 min50th percentile
Slower trip1.8 min90th percentile
Scheduled1.2 minmedian timetable
On pace99%within 2 min of schedule
THE SHORT ANSWER
How long does Summit Avenue to Coolidge Corner take?
The median completed ride from Summit Avenue to Coolidge Corner was 1.2 minutes; the published schedule’s median was 1.2 minutes.
Based on 914 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 1.2 minutes. That was within 0 minutes of the published schedule.
Nine out of ten measured trips finished within approximately 1.8 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.
WHEN YOU TRAVEL
Summit Avenue to Coolidge Corner times by daypart
Evening rush produced the fastest median for Summit Avenue to Coolidge Corner; Off-peak produced the slowest.
Differences can change as the rolling dataset updates.
Midday
1.2 min 199 trips · 99% on paceEvening rush
1.2 min 161 trips · 98% on paceOff-peak
1.2 min 386 trips · 99% on paceMEASUREMENT SAMPLE
How Summit Avenue to Coolidge Corner was measured
The Summit Avenue to Coolidge Corner estimate uses 914 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 Summit Avenue
Trips related to Summit Avenue to Coolidge Corner
The Summit Avenue to Coolidge Corner record is accompanied by 6 other measured direct rides beginning at Summit Avenue, each with a published median duration.