Blue Line ‘L’
The CTA Blue Line provides 24-hour rapid transit train service between Chicago-O'Hare International Airport and the Forest Park terminal, via downtown Chicago.
On this page:
Hours of operation
| |
Weekdays
|
Sat.
|
Sun./Hol.
|
Between O'Hare & Forest Park
(via downtown subway) |
| O'Hare to Forest Park |
Service at all times, every day
|
| Forest Park to O'Hare |
Timetables


Temporary Schedule Change Service Change
A slightly modified schedule for the Blue Line O’Hare branch will be in effect during
non-rush hours and weekends, due to construction.
Delays Between Rosemont and O'Hare Planned Work
Blue Line trains in both directions will operate on the same track between Rosemont and O'Hare, resulting in minor delays.
RSS Feed: Blue Line Alerts
Route diagram
with stations & connection information
This diagram represents the order of stops along this route (not the route's natural geography).
Click a station name for more information, including detailed transfer information, a map, alerts for that station and detailed station timetables.