OBSERVED MBTA TRAVEL TIME · 30 SERVICE DAYS

Fields CornertoPorter

Red Line

A direct MBTA train from Fields Corner to Porter took a median 29 minutes across 3,105 observed trips; 90% of measured rides finished within approximately 33 minutes.

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

Typical29 min50th percentile
Slower trip33 min90th percentile
Scheduled29 minmedian timetable
On pace73%within 2 min of schedule

THE SHORT ANSWER

How long does Fields Corner to Porter take?

The median completed ride from Fields Corner to Porter was 29 minutes; the published schedule’s median was 29 minutes.

Based on 3,105 direct trips between 2026-08-20 and 2026-09-18, the median observed ride was 29 minutes. That was within 0.5 minutes of the published schedule.

Nine out of ten measured trips finished within approximately 33 minutes. These figures describe completed direct trips; they do not include the time spent waiting for the train.

WHEN YOU TRAVEL

Fields Corner to Porter times by daypart

Off-peak produced the fastest median for Fields Corner to Porter; Evening rush produced the slowest.

Differences can change as the rolling dataset updates.

Morning rush

29 min 718 trips · 77% on pace

Midday

29 min 665 trips · 70% on pace

Evening rush

30 min 668 trips · 75% on pace

Off-peak

28 min 1,054 trips · 73% on pace

MEASUREMENT SAMPLE

How Fields Corner to Porter was measured

The Fields Corner to Porter estimate uses 3,105 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 →