Morning rush
24 min 682 trips · 88% on paceOBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS
Griggs StreettoArlington
Green Line
A direct MBTA train from Griggs Street to Arlington took a median 25 minutes across 3,379 observed trips; 90% of measured rides finished within approximately 29 minutes.
Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Completed direct trips only
Typical25 min50th percentile
Slower trip29 min90th percentile
Scheduled26 minmedian timetable
On pace80%within 2 min of schedule
THE SHORT ANSWER
How long does Griggs Street to Arlington take?
The median completed ride from Griggs Street to Arlington was 25 minutes; the published schedule’s median was 26 minutes.
Based on 3,379 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 25 minutes. That was within 1.5 minutes of the published schedule.
Nine out of ten measured trips finished within approximately 29 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.
WHEN YOU TRAVEL
Griggs Street to Arlington times by daypart
Morning rush produced the fastest median for Griggs Street to Arlington; Evening rush produced the slowest.
Differences can change as the rolling dataset updates.
Midday
25 min 870 trips · 82% on paceEvening rush
26 min 665 trips · 75% on paceOff-peak
24 min 1,162 trips · 77% on paceMEASUREMENT SAMPLE
How Griggs Street to Arlington was measured
The Griggs Street to Arlington estimate uses 3,379 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 Griggs Street
Trips related to Griggs Street to Arlington
The Griggs Street to Arlington record is accompanied by 6 other measured direct rides beginning at Griggs Street, each with a published median duration.