Morning rush
1.2 min 1,377 trips · 97% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
LechmeretoScience Park/West End
Green Line
A direct MBTA train from Lechmere to Science Park/West End took a median 1.2 minutes across 6,971 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
Scheduled2.2 minmedian timetable
On pace97%within 2 min of schedule
THE SHORT ANSWER
How long does Lechmere to Science Park/West End take?
The median completed ride from Lechmere to Science Park/West End was 1.2 minutes; the published schedule’s median was 2.2 minutes.
Based on 6,971 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 1.2 minutes. That was within 1 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
Lechmere to Science Park/West End times by daypart
Evening rush produced the fastest median for Lechmere to Science Park/West End; Off-peak produced the slowest.
Differences can change as the rolling dataset updates.
Midday
1.2 min 1,794 trips · 97% on paceEvening rush
1.2 min 1,401 trips · 97% on paceOff-peak
1.2 min 2,399 trips · 98% on paceMEASUREMENT SAMPLE
How Lechmere to Science Park/West End was measured
The Lechmere to Science Park/West End estimate uses 6,971 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 Lechmere
Trips related to Lechmere to Science Park/West End
The Lechmere to Science Park/West End record is accompanied by 6 other measured direct rides beginning at Lechmere, each with a published median duration.