The CTA Blue Line provides 24-hour rapid transit train service between Chicago-O'Hare International Aiport and the Forest Park terminal, via downtown Chicago.
Weekdays
Saturday
Sunday/Holiday
Service at all times, every day
Blue Line Route-wide Timetable ( pdf)
For station-specific timetables, see the Route Diagram and Guide below.
RSS Feed: Blue Line Alerts
This diagram represents the order of stations along the route (not geography).