OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

ReservoirtoBrookline Hills

Green Line

A direct MBTA train from Reservoir to Brookline Hills took a median 4.2 minutes across 3,389 observed trips; 90% of measured rides finished within approximately 5.2 minutes.

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

Typical4.2 min50th percentile
Slower trip5.2 min90th percentile
Scheduled6.2 minmedian timetable
On pace100%within 2 min of schedule

THE SHORT ANSWER

How long does Reservoir to Brookline Hills take?

The median completed ride from Reservoir to Brookline Hills was 4.2 minutes; the published schedule’s median was 6.2 minutes.

Based on 3,389 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 4.2 minutes. That was within 2 minutes of the published schedule.

Nine out of ten measured trips finished within approximately 5.2 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

Reservoir to Brookline Hills times by daypart

Evening rush produced the fastest median for Reservoir to Brookline Hills; Off-peak produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

4.2 min 618 trips · 99% on pace

Midday

4.2 min 801 trips · 99% on pace

Evening rush

4.2 min 697 trips · 100% on pace

Off-peak

4.2 min 1,273 trips · 100% on pace

MEASUREMENT SAMPLE

How Reservoir to Brookline Hills was measured

The Reservoir to Brookline Hills estimate uses 3,389 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 →