Trackside
MARC Penn

Penn Line — this week

How reliably Penn Line trains ran this week, by day. Worst day this week: Sun 9/13, only 41% on time, typically 3 min late, worse-run trains ~8 min late.

Tue 9/8 Wed 9/9 Thu 9/10 Fri 9/11 Sat 9/12 Sun 9/13
Toward Washington 44% 51% 42% 43% 58% 32%
Away from Washington 54% 65% 57% 58% 71% 50%

The number in each cell is the share of trains on time that day — higher is better. The background colour grades that same number, so each row reads at a glance.

Tap or hover a day for the typical minutes late, how late the worse-running trains ran, and the train/arrival counts behind it.

Where delay builds

Typical delay along the route, across all recent weekdays — not just this week.

Toward Washington

15mPerryville: usually on timeBaltimore Penn Station: usually on timeAberdeen: usually on timeWest Baltimore: usually on timeEdgewood: usually 2 min lateHalethorpe: usually 3 min lateMartin State Airport: usually on timeBWI Airport: usually on timeOdenton: usually 3 min lateBowie State: usually 4 min lateSeabrook: usually 5 min lateNew Carrollton: usually 5 min lateUnion Station: usually 3 min late+5PerryvilleUnion Station

Away from Washington

15mUnion Station: usually on timeNew Carrollton: usually on timeSeabrook: usually 2 min lateBowie State: usually 2 min lateOdenton: usually 2 min lateBWI Airport: usually 2 min lateHalethorpe: usually 2 min lateWest Baltimore: usually 3 min lateBaltimore Penn Station: usually on timeMartin State Airport: usually 2 min lateEdgewood: usually 4 min lateAberdeen: usually 6 min latePerryville: usually on time+6Union StationPerryville

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