Trackside

Train 848 Union Station to Dorsey

unofficial updated nightly How this is measured →

On time 80%
Scheduled arrival 4:20 PM
Live ETA tends to run 5 min late leaving Union Station
Departs Union Station
Departs 3:30 PM
On time 82% · usually on time
Show all stops
Riverdale
Scheduled arrival 3:39 PM
On time 69% · usually on time
College Park
Scheduled arrival 3:42 PM
On time 68% · usually on time
Greenbelt
Scheduled arrival 3:45 PM
On time 32% · usually 3 min late
Muirkirk
Scheduled arrival 3:51 PM
On time 30% · usually 3 min late
Laurel
Scheduled arrival 3:57 PM
On time 22% · usually 4 min late
Savage
Scheduled arrival 4:02 PM
On time 6% · usually 5 min late

Speed

Where delay builds

Typical delay along the route across weekdays.

Recent performance

How late it arrived on each recent day it ran.

Wed 11/4: 4 min early4 early11/4WedThu 11/5: 6 min early6 early11/5ThuFri 11/6: 5 min early5 early11/6FriMon 11/9: 8 min early8 early11/9Mon🔔1 other alert — tap to see themTue 11/10: 7 min early7 early11/10Tue🔔1 other alert — tap to see them

Days marked 🔔 have related service alerts — tap to see them.

Showing alerts for Nov 10 · Hide

Other historical alerts (1)
  • Active Nov 9 – Nov 11 System-wide
    Free rides
    MTA will honor all U.S. military veterans, active-duty military, and members of the National Guard and Reserves with FREE transit rides on Wednesday, November 11, 2026. Regular schedules will be in effect, and FREE rides will be available on MARC Train, MTA Local Bus, MTA Metro Subway, Light Rail, Commuter Bus and Mobility services. Eligible riders will need to present one of three IDs: U.S. Department of Defense issued ID (Armed Forces/Uniformed Services/Military Retiree), U.S. Department of Veterans Affairs issued ID; or MVA Veteran designation on a driver's license or state ID. The MTA salutes you and thanks you for your sacrifice, courage and commitment to freedom.

Showing alerts for Nov 9 · Hide

Other historical alerts (1)
  • Active Nov 9 – Nov 11 System-wide
    Free rides
    MTA will honor all U.S. military veterans, active-duty military, and members of the National Guard and Reserves with FREE transit rides on Wednesday, November 11, 2026. Regular schedules will be in effect, and FREE rides will be available on MARC Train, MTA Local Bus, MTA Metro Subway, Light Rail, Commuter Bus and Mobility services. Eligible riders will need to present one of three IDs: U.S. Department of Defense issued ID (Armed Forces/Uniformed Services/Military Retiree), U.S. Department of Veterans Affairs issued ID; or MVA Veteran designation on a driver's license or state ID. The MTA salutes you and thanks you for your sacrifice, courage and commitment to freedom.

Tap a 🔔 day in the chart above to see its alerts.

See something wrong? Tell us.