- From
- CTA O'Hare station, below the main parking garage, by walkway from Terminals 1, 2 and 3
- To
- Clark/Lake station in the Loop, where the Blue Line meets the Brown, Green, Orange, Pink and Purple Lines
- Runs
- All night
- Journey
- 40 min
Every 7 to 10 minutes by day and every 15 to 20 overnight, from about midnight to 04:00.
Arriving at Terminal 5, ride the free ATS train to Terminal 2 or 3 first.
Blue Line train to the Loop: price for every party size
See CTA fares