OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

Ball SquaretoRiverway

Green Line

A direct MBTA train from Ball Square to Riverway took a median 49 minutes across 3,385 observed trips; 90% of measured rides finished within approximately 56 minutes.

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

Typical49 min50th percentile
Slower trip56 min90th percentile
Scheduled49 minmedian timetable
On pace66%within 2 min of schedule

THE SHORT ANSWER

How long does Ball Square to Riverway take?

The median completed ride from Ball Square to Riverway was 49 minutes; the published schedule’s median was 49 minutes.

Based on 3,385 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 49 minutes. That was within 0.5 minutes of the published schedule.

Nine out of ten measured trips finished within approximately 56 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

Ball Square to Riverway times by daypart

Off-peak produced the fastest median for Ball Square to Riverway; Evening rush produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

49 min 681 trips · 70% on pace

Midday

50 min 841 trips · 65% on pace

Evening rush

51 min 669 trips · 60% on pace

Off-peak

47 min 1,194 trips · 68% on pace

MEASUREMENT SAMPLE

How Ball Square to Riverway was measured

The Ball Square to Riverway estimate uses 3,385 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 →