What are the public transportation options within O'Hare Airport?

The Airport Transit System (ATS) is a key public transportation option within O'Hare Airport that provides a convenient and efficient means for travelers to navigate between the various terminals and parking areas. The ATS is an automated people mover that connects Terminal 1, Terminal 2, Terminal 3, and Terminal 5, allowing passengers to move easily and quickly from one terminal to another, as well as to key facilities such as the parking garages.

This system is particularly important in such a large airport setting, where distances between terminals can be significant. The ATS operates continuously, making it readily available to passengers whenever they need to transfer between terminals. By offering rapid transit across the airport, the ATS enhances the overall travel experience by minimizing the time and effort required to reach different parts of O'Hare.

The other public transportation options, while valuable for getting to and from O'Hare Airport itself, do not primarily serve the internal movement between terminals. Shuttle services typically cater to connecting hotels or off-site parking and may not operate within the airport's confines. Taxi services provide an essential link to the outside city and surrounding areas but do not facilitate internal transport between the terminals. Rail links, like the Blue Line of the Chicago Transit Authority, connect the airport to the