Hotel Features: The high-rise Hyatt Regency O'Hare has 1,096 renovated rooms featuring the plush, signature Hyatt Grand Bed™, deluxe toiletries, ergonomically designed work spaces, 37-inch, flat-screen TVs, mp3 docking stations and minibars. Order up room service or head to the two on-site restaurants. A 24-hour gym is a boon for fitness fiends, worker-bees get it done at the business center and a dedicated concierge can assist with leisure plans. Wi-Fi is available in public spaces. Valet and self-parking (at an additional fee) are further benefits.