<p>You can count on the El to take you to/from the airport to within a couple of blocks of the Palmer House, so figure a reliable hour for that in any weather. That should give you your answer after considering audition time/s. Cabs are pricier, but quicker if the weather/traffic is cooperative. The flight west, of course, nets you a favorable time change. Unless you have other needs, don’t rent a car-- everything you need/want is right there.</p>