OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

Quincy AdamstoBraintree

Red Line

A direct MBTA train from Quincy Adams to Braintree took a median 4.2 minutes across 3,130 observed trips; 90% of measured rides finished within approximately 6.8 minutes.

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

Typical4.2 min50th percentile
Slower trip6.8 min90th percentile
Scheduled4.2 minmedian timetable
On pace88%within 2 min of schedule

THE SHORT ANSWER

How long does Quincy Adams to Braintree take?

The median completed ride from Quincy Adams to Braintree was 4.2 minutes; the published schedule’s median was 4.2 minutes.

Based on 3,130 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 4.2 minutes. That was within 0 minutes of the published schedule.

Nine out of ten measured trips finished within approximately 6.8 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

Quincy Adams to Braintree times by daypart

Evening rush produced the fastest median for Quincy Adams to Braintree; Off-peak produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

4.2 min 639 trips · 90% on pace

Midday

4.2 min 778 trips · 81% on pace

Evening rush

4.2 min 666 trips · 91% on pace

Off-peak

4.2 min 1,047 trips · 91% on pace

MEASUREMENT SAMPLE

How Quincy Adams to Braintree was measured

The Quincy Adams to Braintree estimate uses 3,130 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 →