Chicago O’Hare Airport Informational Guide to Chicago O’Hare International Airport (ORD) - NON OFFICIAL

O’Hare Airport Transit System ATS

Travelers at O’Hare Airport have the following transportation option to move towards the different airport areas:

Chicago O’Hare has an ATS (Airport Transit System) to move landside and shuttle buses to move airside. 

ATS - Airport Transit System (Within the airport)

Access within the Airport complex can be accomplished using O’Hare’s Airport Transit System (ATS), a 2.5 mi (4 km) long automated people mover system that operates 24 hours a day, connecting all four terminals and the remote parking lots.

It is a free of use system which just takes nine minutes to complete its trip.

ATS O’Hare Airport
Transfer between terminals. 

In times when ATS is under construction- as there has been under renovation works- there are shuttles available continuously.

Buses arrive every 5 to 15 minutes. 


Shuttle Bus

The Airport also offers free shuttles buses airside to passengers to move between terminals for their connecting flights. 

- T 1, gate B1
- T 3, gate G17 and K20
- T 5, gate M13

From 11:30am to 9:30pm. Frequencies every 15 minutes. 

Shuttle O’Hare Airport
Shuttle bus between terminals.