Chicago Blue Line Train Quick Facts

CTA Blue Line Service

Hours of Operation

The CTA Blue Line provides 24-hour rapid transit train service between Chicago-OHare International Airport and the Forest Park terminal.

Tracking and Maps

Use the CTA Train Tracker for estimated arrivals at your stop or see CTA trains on a map.

System Integration

Both the Blue Line and the Red Line are part of the Chicago Transit Authority CTA system and provide essential transportation services to commuters.

Rush Hour Schedule

From the Chicago Avenue station, trains run at intervals of 27 minutes during rush hour and take 4 minutes to travel to the Loop.

Blue Line CTA L Route

First and Last Stops

The first stop of the BLUE LINE Chicago L route is OHare, and the last stop is Uic-Halsted.

Direction of Travel

The BLUE LINE Towards Forest Park is...