CR-Fairmount 6667

View line CR-Fairmount

Fri, Sat, Sun MBTA

Running now · updated 11:42

Running now −3 min

Today it is running no worse than usual: typical arrival delay is +4 min; 40% of the last 5 runs arrived on time.

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On-time · 30 days
40%
2/5 runs under 3 min
RT coverage: 5 full · 0 partial · 0 no data
On-time · 90 days
40%
8/20 runs under 3 min
RT coverage: 20 full · 0 partial · 0 no data
Typical delay
+4min
Median at arrival, 90 days
30 days: +4 min
P90
+6min
9 in 10 runs arrive with less than this
30 days: +5 min

Last 30 days

Delay at the end of each run, in minutes. One bar per run.

  • On time (<3 min)
  • 3–10 min
  • 10–30 min
  • 30+ min
  • Partial coverage
  • No data

Worst days

  • Sun 6 Sept Max en route +12 min · last fix heading to 91 +12 min
  • Sun 30 Aug Max en route +6 min · last fix heading to 91 +6 min
  • Sat 26 Sept Max en route +6 min · last fix heading to 91 +6 min
  • Sun 2 Aug Max en route +6 min · last fix heading to 91 +6 min
  • Sat 5 Sept Max en route +7 min · last fix heading to 91 +5 min

Distribution · 90 days

20 runs with a known final delay. On time = under 3 min, the same cut the map uses.

  • Early 5% · 1
  • On time 35% · 7
  • 3–10 min 55% · 11
  • 10–30 min 5% · 1
  • 30+ min 0% · 0

On-time by weekday

  • 0% M n=2
  • — T n=0
  • — W n=0
  • — T n=0
  • 100% F n=1
  • 33% S n=9
  • 50% S n=8

Recent runs

DateLast stopFinalMax
Fri 2 OctDB-2205-01 17:110 min—
Sun 27 Sept91 00:48+4 min+4 min
Sat 26 Sept91 00:51+6 min+6 min
Sun 20 Sept91 00:46+2 min+2 min
Sat 19 Sept91 00:48+4 min+4 min
Mon 7 Sept91 00:47+3 min+7 min
Sun 6 Sept91 01:34+12 min+12 min
Sat 5 Sept91 00:51+5 min+7 min
Sun 30 Aug91 00:50+6 min+6 min
Sat 29 Aug91 00:47+3 min+5 min
Sun 23 Aug91 01:08+2 min+4 min
Sat 22 Aug91 00:470 min+4 min
Mon 17 Aug91 01:44+4 min+4 min
Sat 15 Aug91 00:48+4 min+4 min
Sun 9 Aug91 00:46+2 min+3 min
Sat 8 Aug91 00:49+4 min+5 min
Sun 2 Aug91 00:50+6 min+6 min
Sat 1 Aug91 00:47+3 min+3 min
Sun 26 Jul92 01:15+1 min+4 min
Sat 25 Jul92 01:33−3 min+7 min

Each run is closed into train_runs (country, train number, service day) from the live positions. Final delay = last delay seen. Partial coverage: the feed stopped before the final stop (last value used, hatched in the chart). No data: a run without any valid delay; counts as neither on time nor late. Data collected since 10 July 2026.