STATION REPORT · BOSTON

Back Bay

Orange Line

Across 30 service days, Back Bay recorded a 88/100 reliability score, a 5.4-minute typical train gap, and 13.0% long gaps from 10,502 station observations in the official dataset.

Source: MBTA Performance Data · 2026-08-20 to 2026-09-18 · Rolling operational summary

Station score88/100Steady
Typical gap5.4 minbetween observed trains
Long gaps13.0%over 1.5× schedule
Observations10,502station stop records

DIRECT JOURNEYS

Direct trips measured from Back Bay

TransitMeter publishes 19 direct destination measurements from Back Bay; waiting and transfer time are excluded.

Times below cover rides completed on one train.

STATION SIGNAL

What the Back Bay score means

Back Bay scored 88/100 (Steady) from 10,502 observations, with a 5.4-minute median gap and 13.0% long gaps.

It is a rolling operational summary, not a real-time service alert.

See the formula and limits →