At Hyatt Regency O'Hare Chicago, guests have access to a 24-hour gym, free WiFi in public areas, and meeting rooms. If you drive, self parking is USD 45 per night, or you can take advantage of the free airport shuttle (available 24 hours). Multilingual staff at the front desk are standing by 24/7 to help with concierge services, luggage storage, and securing valuables. Additional amenities include conference space, a business center, and a microwave in a common area.